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[SOLVED] Windows 10 100% disk usage in Task Manager

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If your Windows 10 Task Manager shows 100% disk usage, something is causing your hard drive to over-work. The good news is, it’s usually not a hard problem to fix.

8 fixes for 100% disk usage on Windows 10

Here are a few fixes that have helped other users resolve their Windows 10 100% disk usage problem. You may not need to try them all; just work your way down the list until you find the one that works for you.

Fix 1: Disable SuperFetch

SuperFetch helps to decrease boot time and make must-load programs more efficiently. However, it has been identified as a potential cause of disk performance issues in Windows 8 and later versions of Windows, including Windows 10. Here’s how to stop this service:

1) On your keyboard, press Windows logo key , type command prompt , then select Run as administrator .

task manager 98 disk

2) Click Yes at the User Account Control  prompt. 

task manager 98 disk

3) The command prompt will once again display. Type in the following command: 

4) Hit Enter  on your keyboard. 

task manager 98 disk

5) If the command above isn’t valid, try the following one instead:

6) Wait for a few minutes to see if your computer starts performing better. Or check your computer’s disk usage: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

100% disk usage resolved

If the 100% disk usage problem persists, try the next method, below.

Fix 2: Update your device drivers

If the steps above don’t resolve your 100% disk usage problem in Windows 10, it may be caused by a device driver. 

You can automatically update all your device drivers to the latest correct version with Driver Easy .

Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing. 

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):

1) Download and install Driver Easy. 

2) Run Driver Easy and click Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.

task manager 98 disk

3) Click the Update  button next to any flagged device to automatically download and install the correct version of that driver (you can do this with the FREE version).

Or click Update All  to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the  Pro version – you’ll be prompted to upgrade when you click Update All).

task manager 98 disk

4) Check your computer’s disk usage: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

Fix 3: Check for corrupted system files 

Corrupted or missing system files can also cause the 100% disk usage error. To see if this is the cause for you, run a system scan to detect broken system files with Reimage .  

Reimage is a professional Windows repair tool that can scan your system’s overall status, diagnose your system configuration, identify faulty system files, and repair them automatically. It gives you entirely fresh system components with just one click, so you don’t have to reinstall Windows and all your programs, and you don’t lose any personal data or settings. (Read Reimage Trustpilot reviews .)

task manager 98 disk

Here’s how to use Reimage to check for broken system components in just one click:

1) Download and install Reimage.

2) Open Reimage and run a free scan on your PC. (This may take a few minutes and you’ll get a detailed report of your PC status after this.)

task manager 98 disk

3) You can review a summary of the issues detected after the scan. Click Start Repair to start the repair process. (This requires the full version – which comes with a 60-day Money-Back Guarantee.)

task manager 98 disk

Restart your computer to see if you still get the 100% disk usage error. If you do, please try the next fix below.

Fix 4: Perform a disk check

1) On your keyboard, press Windows key and X at the same time, then choose Command Prompt (Admin) . 

task manager 98 disk

3) The command prompt will once again display. Type in the following command:

4) Hit Enter  on your keyboard, then type Y to confirm that you’d like to perform the disk check the next time you restart your computer. Please make sure you have closed all of your applications first.

task manager 98 disk

IMPORTANT: Disk check will start the next time you boot your PC and it might take some time to complete (could be a day for some). If, when you restart, you don’t have time to wait for the disk check to complete, you can skip it. You’ll need to reschedule it again, as described above, though. 

5) Once you’ve completed the disk check, check your computer’s disk usage again: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

Fix 5: Reset Virtual Memory

Virtual memory can be considered an extension of your computer’s physical memory. It’s a combination of RAM and a portion of your hard drive. When the RAM isn’t enough to perform a task, Windows will temporarily store files in virtual memory, then swap them back to RAM when required. 

To reset virtual memory: 1) On your keyboard, press Windows key and Pause/ Break key at the same time. Then choose  Advanced System Settings on the left panel.

task manager 98 disk

2)  Go to the Advanced tab, then click  Settings . 

task manager 98 disk

3) Go to the  Advanced tab again, and choose Change…  in the Virtual memory section. 

task manager 98 disk

4) Ensure the  Automatically manage paging file size for all drives checkbox is NOT ticked.  

task manager 98 disk

5) Select your windows drive (the hard drive or partition that has Windows installed on it – usually  C: ) ,  and enter an Initial size and Maximum size for your virtual memory:

Once you’ve entered your virtual memory values, click  Set , then click  OK to continue.  

task manager 98 disk

6) Clear all your computer’s ‘temp’ files. On your keyboard, press Windows key and R at the same time, then in the Run form, type temp and hit Enter . This will invoke Windows Explorer with your Temp folder open, showing you all the temp files on your computer. 

task manager 98 disk

7) Select all the files in the Temp folder and delete them. 

task manager 98 disk

8) Check your computer’s disk usage: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

Fix 6: Disable Antivirus Software temporarily

If you’ve installed antivirus or anti-malware programs such as Norton, Kaspersky, AVG, Avast Behavior Shield or Malwarebytes, you should temporarily turn them off or disable them to see if they’re causing your disk usage problem. 

Please see your antivirus software’s documentation to learn how to disable it. You might also find these links useful: 

Note that Microsoft has its own default anti-malware, Windows Defender . It’s automatically enabled even if you also have other antivirus applications installed. Even if you disable your other antivirus programs, Windows Defender is always there for you during that certain time range. So, no need to worry too much about temporarily turning antivirus off. 

Once you’ve disabled your antivirus , check your computer’s disk usage again: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve found the problem, and you should contact the vendor of your antivirus software to see if they can provide some help.

Fix 7: Fix your StorAHCI.sys driver

Note : A million thanks to our warm-hearted reader Javier for the following solution.

The Windows 10 100% disk usage problem might also be caused by some Advanced Host Controller Interface PCI-Express (AHCI PCIe) models running with the inbox StorAHCI.sys driver due to a firmware bug. 

Here’s how to determine if this is your problem and fix it:

1) Open  Device Manager by pressing Windows logo key and X at the same time to choose Device Manager . 

task manager 98 disk

2) Expand the  IDE ATA/ATAPI Controllers  category, and double-click the AHCI controller . 

task manager 98 disk

3) Go to the  Driver tab and click Driver Details . If you can see storahci.sys stored in a path of system32 folder, then you are running the inbox AHCI driver. 

task manager 98 disk

4) Close the Driver Details window and go to Details tab. From the drop-down menu, select  Device Instance Path . Make note of the path, starting from VEN_ . 

task manager 98 disk

5) Type regedit in the search box of Start panel, then hit Enter  on your keyboard to run Registry Editor. Then go to: 

HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Enum \ PCI \ < AHCI Controller > \ < Random Number > \ Device Parameters \ Interrupt Management \ MessageSignaledInterruptProperties

The  < AHCI Controller >  here refers to the name you see from step 2). 

The  < Random Number >  differs on different machines. 

task manager 98 disk

6) Double click the MSISupported key and change the value to 0 . 

task manager 98 disk

7) Restart your computer after the change, then check your computer’s disk usage: Type “task manager” in the Windows search bar and select Task Manager , then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

Fix 8: Switch to ChromeOS

task manager 98 disk

Windows is a very old technology. Sure, Windows 10 is relatively new, but it’s still just the latest iteration of a decades-old operating system, designed for a bygone era (pre-internet).

Now that we have the internet, fast connection speeds, free cloud storage, and endless web apps (like Gmail, Google Docs, Slack, Facebook, Dropbox and Spotify), the entire Windows way of doing things – with locally installed programs and local file storage – is totally outdated.

Why is that a problem? Because when you’re constantly installing uncontrolled third-party programs, you’re constantly opening the door to viruses and other malware. (And Windows’ insecure permission system compounds this problem.)

Plus the way Windows manages installed software and hardware has always been a problem. If your computer shuts down unexpectedly, or a program installs, uninstalls or updates incorrectly, you can get ‘registry’ corruptions. That’s why Windows PCs always slow down and become unstable over time.

Also because everything’s installed and saved locally, it doesn’t take long before you run out of disk space, and your disk gets fragmented, which makes everything even slower and more unstable.

For most people, the simplest way to solve Windows problems is to ditch Windows altogether, and switch to a faster, more reliable, more secure, easier to use and cheaper operating system…

Google ChromeOS.

ChromeOS feels much like Windows, but instead of installing heaps of programs to email, chat, browse the internet, write documents, do school presentations, create spreadsheets, and whatever else you normally do on a computer, you use web apps. You don’t need to install anything at all.

That means you don’t have virus and malware problems, and your computer doesn’t slow down over time, or become unstable.

And that’s just the start of the benefits…

To learn more about the benefits of ChromeOS, and to see comparison videos and demos, visit GoChromeOS.com .

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I'm a technical writer for Driver Easy. Before finding my love for writing tech posts, I had passion for technology goes back much further. I love tinkering with computers, smartphones, and other tech toys. I write articles to help people solve their problems, whether it's a hardware issue or system error. I'm inspired when my articles are of help, and that's what I have been aiming for. All I do every day is to write articles that are easy to read, and I do hope you find instructions in my posts easy to follow.

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Solved: Windows 11/10 100% Disk Usage in Task Manager!

How to fix and solve 100 percent disk usage in windows 10 this post focus on the solutions to windows 11/10 100% disk usage..

Wondershare Recoverit Authors

David Darlington

Dec 23, 2022 • Filed to: Windows Computer Solutions • Proven solutions

Windows users may come across the error that says 100% Disk Usage , which makes it seem like the computer is handling heavy operations. However, you may only have a few programs open with the screen idly staying on desktop. This causes the system to slow down or even freeze.

Overview of 100% Disk in Task Manager

A glance at the disk usage column shows how much a program uses, and disabling such programs may help lessen the number. However, this is not the only cause of 100% disk usage. There are reports from users saying that the latest Windows version tends to overwork drives, slowing down the OS. This problem can affect both solid-state drivers (SSD) and hard disk drives (HDD).

This error can also occur if malware is present within the system. To its core, the 100% disk usage error can be fixed by finding the underlying cause whether it be a windows system, application, or malware so that it could be stopped.

fix windows 10 100% task manager

How to Fix Windows 11/10 100% Disk Usage Problems

Solution 1. turn off windows search.

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Note: You can also disable Windows Search until after the next reboot by opening the elevated command prompt and typing in net.exe stop "Windows search" command.

Solution 2. Disable Superfetch service

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Solution 3. Check disk performance with chkdisk

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Solution 4. Check your anti-virus software

Solution 5. use a different web browser.

Some users complain that Google Chrome takes up too much disk usage. If this is the case for you, just use another browser like the Firefox or Microsoft Edge and notice if the disk usage is lesser.

If you still want to use Chrome, you can try disabling the pre-load feature. Just go to Chrome  Settings> Show Advanced Settings> Privacy . Untick  Prefetch resources to load pages more quickly .

Solution 6. Is Skype Eating Disk Resources

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Solution 7. Disable Diagnostic Tracking in Windows 11/10

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Solution 8. Fix your StorAHCI.sys driver

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Solution 9. Is Flash Causing the 100% Disk Usage Bug

Solution 10. reset your virtual memory.

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Note: to clear temp memory allocation files, run temp, and Ctrl + A on the files listed in the temp directory.

Solution 11. Activate High-Performance Mode

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Solution 12. Windows Update Can Cause High Disk Usage

Solution 13. install the latest sata drivers.

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Solution 14. Is Steam Maxing Out Your HDD

Steam can cause this error due to an updated delivery.

Note that saves and games downloaded will not be deleted.

The error 100% Disk Usage can be resolved by identifying what causes the strain on the disk drive. There is no need to panic as the solutions can ease the problem. However, if not one of these works, it may be time to inspect for hardware-related problems just to be sure that your computer is still running properly.

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Fixed: 100% Disk Usage on Windows 10 Task Manager (Update)

To fix 100% disk usage on Windows 10 Task Manager, you can refer to 9 effective and easy methods in this post and try one or more.

task manager 98 disk

Disk Usage at 100% on Windows 10/11 Task Manager

Sometimes, you may meet a problem with lag and everything seems to start up slow and take forever to load, especially Windows PowerShell and starting commands in it. The disk usage will spike from 0-1% all the way from 50-100%+ on 0.1 mbs of use from various programs.

This will noticeably come up with Windows PowerShell and executing commands, starting up Windows in general, or just different programs and applications wont loads right away. Here is the case:

“When I load into my Windows 10/11 computer, I can move the mouse but nothing else responsive. I tried to open the Task Manager, but when I click the Start menu, it took about a minute. What shocked me is that the disk usage is at 100% utilization in Windows Task Manager. Meanwhile, the CPU is at 17%, and memory is at 60%.

Windows 10 100 Disk Usage

So why would the disk usage at 100% in Windows 10/11? After few restarts sometimes it’s no more 100%, sometimes it’s again 100% usage. Anybody can help?”

About Disk Usage on Your Computer

Disk Usage (DU) refers to the portion or percentage of computer storage that is currently in use. It contrasts with disk space or capacity, which is the total amount of space that a given disk is capable of storing. Disk usage is often measured in kilobytes(KB), megabytes(MB), gigabytes(GB) or terabytes(TB). Well, what reasons could cause the “Disk Usage is at 100%” in the Task Manager?

Why Get 100 Disk Usage on Windows 10 Task Manager?

Windows 10/11 100% disk usage problem may be caused by many reasons, such as an antivirus software, a bug in Windows 10/11, a problem from SuperFetch Service, unreasonable virtual memory, the Flash, a common combination of Skype as well Google Chrome, hard drive error , etc.

But don’t worry too much! Sometimes, there is just nothing goes wrong on your computer, except for some settings.

How to F ix 100% D isk U sage on Windows 10/11 Accordingly ?

When Disk Usage is at 100% in the Task Manager, you can try the following methods until it works.

Method 1. Disable Antivirus Software temporarily

Method 2. change the settings in google chrome & skype, method 3. using control panel to uninstall all browsers, method 4. disable superfetch service, method 5. fix storahci.sys driver, method 6. disable windows search, method 7. upgrade device driver, method 8. reset virtual memory, method 9. perform a disk check.

When disk usage is at 100% on Windows Task Manager, you need to consider whether you’ve installed antivirus or anti-malware programs such as Norton, Kaspersky, AVG, Avast Behavior Shield or Malwarebytes, etc. If you installed such programs, you should temporarily disable them with their user manuals.

100 percent usage on Windows 10/11 may be caused by a common combination of Skype as well Google Chrome. Thus, you can change the settings of Google Chrome and Skype.

Google Chrome

In Google Chrome, go to Settings > Show Advanced Settings... > Privacy > Prefetch resources to load pages more quickly , untick it. Like the following screenshot:

Change Google Settings

Make sure you have exited Skype and it is not running in the Taskbar, if it is running in the Taskbar, quit it. Then, open Windows Explorer, and open the folder: “ C:\Program Files (x86)\Skype\Phone\ ”(without quote). right click “ Skype.exe ” file, click “ Properties ”, open the “ Security ” tab, click “ Edit ”.

Change Skype Setting

Then, Highlight “ALL APPLICATION PAKAGES” and place a tick in the “Write” box. Click Apply and then click OK .

Skype Settings

After the proceed, run Skype and check the Disk Usage in Task Manager, it will not show you 100% disk usage on Windows 10 Task Manager.

Another effective way is to use Control Panel to uninstall all Browsers, except Edge and IE(Internet Explorer). Uninstall browsers is an effective way to isolate the issue with plugins. Otherwise, you need to remove the plugins one by one from each browser and test. The Adobe Flash and Shockwave Player are the usual culprits of Windows 10/11 high disk usage.

Fortunately, the browsers can be reinstalled in seconds. After uninstalling the browsers, please delete the files including ‘Temp’, ‘%Temp%’ and ‘Prefetch’. After that, restart the system and check whether the issue has been solved. If it does, wait for 10 - 15 minutes to verify that it doesn’t reoccur, and you can reinstall browsers.

Although SuperFentch can help to decrease the boot time and make must-load programs more efficiently, it is another potential cause of disk performance issues. Thus, when you meet the problem that Windows 10/11 disk usage at 100%, you can stop the service:

Press Windows + X simultaneously, choose Command Prompt (Admin) to open it. Type following command in the command prompt and hit Enter Key to run it:

net.exe stop superfetch

Disable SuperFetch

Wait for a few minutes to see if your computer starts performing better.

The Windows 10/11 100% disk utilization problem may also be caused by some Advanced Host Controller Interface PCI-Express(AHCI PCIe) models running with the inbox StorAHCI.sys driver due to a firmware bug. You need to make sure if it is the cause of Windows 10/11 100% disk utilization problem.

Press Windows + X simultaneously, choose Device Manager .

Expand the IDE ATA/ATAPI Controllers category, double-click the AHCI Controller.

AHCI Controller

Click Driver tab-> Driver Details . If you see storahci.sys stored in a path of system32 folder, then you are running the inbox AHCI driver and you need to fix the problem as the following steps.

Inbox AHCI Controller.jpg

Back to the AHCI Controller Properties, click Details , select Device instance path under Property . Make note of the path, starting from VEN_ . Click OK .

AHCI Controller Properties

Click Start , type regedit in the search box and hit Enter key. Then, go to:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\PCI\\\Device Parameters\Interrupt Management\MessageSignaledInterruptProperties

refers to the name of AHCI Controller.

differs on different machines.

Registry Editor

Double-click MSISupported , and set the value data to 0 . Click OK .

Value Data 0

After that, restart your computer.

The Windows Search Indexer is one process which is known to cause 100 percent disk usage Windows 10/11. To determine if Windows Search is the cause of 100% disk usage problem, you can temporarily disable Windows Search (temporarily disable Windows Search means that the Windows Search will start again when you restart your computer).

1. Press Windows key and X simultaneously, select Command Prompt (Admin).

2. When you get into the command prompt, type net.exe stop “Windows search ” and hit Enter key.

Disable Windows Search

Go to Task Manager to check if your disk usage deceased and the performance of you computer improved. If they do, you should permanently disable Windows Search as the following steps.

1. Press Windows key + R , type in services.msc .

2. Locate Windows Search option, double click it to enter its Properties window.

Locate Windows Search

3. In the Properties window, select Disabled under Startup type. Then, click Apply and OK .

Disable Windows Search Permanently

Upgrade Device Driver may help you get out of the 100% disk usage problem. To upgrade Device Driver, you can use Windows Update, download it from the manufacturer’s website or use a free Driver Update software.

Virtual memory is a portion of your hard drive and is regarded as an extension of your computer’s physical memory. It is another factor that may cause your disk utilization 100 percent problem. Reset with following steps.

1. Open Control Panel -> System and Security -> System . Select Advanced system settings .

Advanced System Settings

2. In the in the pop out window, select Advanced -> Settings . Then,go to Advanced tab in the second pop up window, and select Change... in the Virtual memory section.

Settings

3. Here you need to make sure that the option of Automatically manage paging file size for all drives is not ticked. Then, select the drive installed Windows 10, enter an Initial size and Maximum size for the virtual memory. Then, click Set and OK .

Virtual Memory Settings

Initial size – This value varies, depending on your computer. If you’re not sure what value to use, just enter whatever the number is in the Recommended category.

Maximum size – Don’t set this value too high. It should be about 1.5 times the size of your physical RAM. e.g. A PC with 4 GB (4096 MB) of RAM should have no more than about 6,144 MB virtual memory (4096 MB x 1.5).

4. After that, clear all your computer’s ‘temp’ files: Press Windows+ R , type ‘ temp ’ and hit Enter , it will show you the Windows Explorer with Temp folder, select all the files in the Temp folder and delete them.

100% disk usage on Windows 10 may also because of hard disk errors. Thus, it is necessary to perform a disk check. You can do this by using Windows CHKDSK, or by using the third party software AOMEI Partition Assistant Standard , which simplifies things within a few clicks. With this tool, you can check a single partition, or a check whole disk.

The software allows you to check based on partition and disk type according to your situations. No bundled ware and 100% clean. Free download and have a try.

Check Partition

Step 1 . Install and launch AOMEI Partition Assistant. Right click the partition you want to check, and select Advanced -> Check Partition .

Check Partition

Step 2 . Choose a way the check partition and fix errors here, click OK to back to main interface and click Apply in the toolbar.

Check Errors Way

Step 1 . Right click the hard disk, select Surface Test .

System Disk Test

Step 2 . It will show you the Disk Surface Test window, click Start to launch the progress.

Start Test System Disk

AOMEI Partition Assistant Standard is a great tool that can help you manage hard drive partitions in all aspects even you are not professional. You can also upgrade to AOMEI Partition Assistant Professional to get more advanced features, like recoverying lost partition, converting MBR system disk into GPT without data loss , etc.

Besides those ways, there are may other ways may help you solve the “100% disk usage on WIndows 10/11” problem. For example, you can upgrade firmware for SSDs if you have an SSD installed on your computer. Because SSDs are fast, and if you are having the 100% disk usage on Windows 10/11, it is most likely a problem with firmware;

You can also try to disable Windows Notification, use high performance power plan, upgrade Memory (RAM), perform a clean boot, etc. If you have found any other effective way to solve the problem, leave a comment at the comment space, and we will conclude and upgrade this page.

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Windows 10 100% Disk Usage In Task Manager [Fixed]

Windows 10 100% Disk Usage In Task Manager [Fixed]

If you are finding your Windows 10 system at 100% disk usage, then for sure something is stressing your hard drive and causing it to overwork. Your system will be unresponsive and it will lag and freeze when your system is using 100% disk .

In fact, the lagging and freezing makes us look at the Task Manager automatically to end tasks and processes. It is only then, that most users come across this underlying error of 100% disk utilization. Additionally, the event log may also represent several resets of the disk controller.

It sure is mind boggling to discover this anomalous behaviour of your system and we can’t help wondering which actions led to 100% disk usage error . But you will be relieved to know that it’s a genuine occurrence that happens on its own and can be fortunately fixed with some easy troubleshooting methods.

In this guide, we present to you 10 best ways in which you can fix 100% disk usage error .

All-in-One Solution to Fix 100% Disk Usage Error

Before trying the other high-level fixes, you should update the outdated drivers. Majorly, the system lags and freezes due to outdated or faulty drivers. And, updating drivers manually takes a long while, hence, you must use Bit Driver Updater to perform the same task automatically.

This ultimate utility not only lets you perform the driver update in one click but also elevates the performance bar of your system. If you have convinced yourself that this is the only tool you need, then you can click on the download button below to get this one-stop solution for free.

Windows Download Button

What Causes 100% Disk Usage In Windows 10 

When a specific program demands more memory than expected it usually happens. Plus, this drives a lack of resources to other programs and thus results in slow down issues. If you are suffering from slow performance of your PC and don’t how to fix it. Then, this write-up will elucidate how to fix this issue quite quickly.

But, before moving forward, it would be better enough to know about the causes of it for future prevention. However, there are numerous causes of this problem but here are core ones. Have a look at them! 

So, these are some of the significant causes of 100% Disk Usage and that makes your computer sluggish and vulnerable. But no worries, this write-up will explain to you some fruitful ways to fix this annoying issue. And, will surely bring back the actual effective performance of your system. So, without any further ado, let’s move ahead to know more about it! 

Wholesome Guide To Resolve Windows 10 100% Disk Usage Error

Let us now get to the details of the troubleshooting techniques one by one in the below segment.

1. Disable Antivirus Software Temporarily

Your antivirus software sometimes might keep running in the background which might lead to 100% disk usage in Windows 10. What you can do in  this scenario is to disable your antivirus tool momentarily to see if it is able to decrease the disk usage value from 100% to the minimum value. 

Even when you are disabling the antivirus solution for a short while, you needn’t worry about your system becoming defenseless and vulnerable to cyber threats because, in Windows 10 system, the in-built Windows Defender stands guard against several manipulative cyber exploitation mechanisms.

To strengthen the security walls of your device we recommend you to use powerful antivirus software like ITL Antivirus along with Windows Defender. Give your device all-around protection from digital threats and harmful viruses with ITL Antivirus.

Read More: How to Fix Windows 10 Not Responding Error

2. Perform a Disk Check

To do this you need to run the Command Prompt as an admin. You can give permission by clicking “Yes” at the User Account Control prompt. The below-mentioned steps will let you complete the disk check:

Post this, you can open the Task Manager to verify if the 100% disk usage error has resolved or not. If it didn’t, then jump to the next solution.

3. Alter Energy Options From Balanced To High Performance

As suggested by many experts, altering the energy options to High Performance from Balanced works well with Windows 10 100% disk usage error . To do this, you need to follow the following steps:

Alter Energy Options From Balanced to High Performance

Finally, reboot the PC to see if the disk usage has changed.

Read More: Fix Steam Disk Write Error on Windows 10

4. Disable Windows Search

Windows Search searches files on your PC faster. If not needed then, it can be disabled temporarily as it will stop the indexing process of all files. Temporary disabling is recommended at first to see if this is the cause behind 100% disk usage error . You can do this as per the below steps:

Now check if your disk usage level has come down to a normal level. If this method seemed to work out, then disable the Windows Search permanently.

5. Disable SuperFetch

SuperFetch in Windows systems is responsible for reducing the boot time and making must-load programs more efficient. However, a lot of times it has been identified to be a potential cause behind system lags. To disable the service you can look at the below steps:

After waiting for a few minutes, check if your system has become fast and stable? If so, then you have successfully fixed the 100% disk usage issue in the Windows 10 system.

6. Uninstall Flash Player Update

If you are still seeing Windows 10 high disk usage in the Task manager, then uninstall any flash player update. Several users have reported this technique to be effective. To uninstall flash player update, use the following path:

Uninstall Flash Player Update

7. Update Device Drivers

If you are experiencing issues with your system’s performance, then the best step is to update the device drivers . Outdated, missing, faulty drivers often leads to system slowdowns and may even contribute to Windows 10 100% disk usage error.

What can you do in this scenario is update device drivers automatically with the help of a driver update software . You can install a top-notch driver updater tool on your Windows system and let it scan your PC to detect faulty and out-of-date drivers.

If you are confused which tool will suit you the best from the many available options then we recommend you to pick Bit Driver Updater for troubleshooting your driver-related issues. You can download this power-packed tool using the given link.

Windows Download Button

You can use the below guide to update your device drivers:

Bit Driver Updater Tool

After installing the drivers, verify if the Task Manager is now showing a reduced disk usage value.

Read More: Best Disk Cloning Software For Windows

8. Reset Virtual Memory

Virtual memory is a combination of a portion of the hard drive and RAM. When the system is low on RAM, it starts storing files temporarily in the virtual memory. Whenever RAM is available, it swaps the files back from the virtual memory to the RAM.

Steps to Reset Virtual Memory:

Reset Virtual Memory

Under the Advanced tab, click the Settings button to Reset Virtual Memory

Reset Virtual Memory to Fix Windows 10 100% disk usage in Task Manager

Note – Ensure that the “Automatically manage paging file size for all drives” box is not checked.

Reset Virtual Memory to Fix Windows 10 100% Disk Usage Error

Note – The Initial size value can vary depending on your system and you may use the numbers from the Recommended category for this field.

The Maximum size value should not be set too high. Try to keep a value which is at the most 1.5 times the size of your physical RAM.

This should successfully resolve the 100% disk usage problem in your Windows 10 PC.

Read More: How to Fix Discord Screen Share Audio Not Working [Solved]

9. Fix the StorAHCI.sys Driver

100% disk usage error may also be due to the Advanced Host Controller Interface PCI-Express (AHCI PCIe) models that run with the inbox StorAHCI.sys driver. 

Due to a firmware bug, the SSD may not be able to complete input/output when Message Signaled Interrupt (MSI) mode is enabled. SO the Windows storage stack tries to reset the device after waiting on unresponsive read/write for some time.

Disabling the MSI mode via the registry can resolve your disk usage issue.

The way to determine if this is the cause of your current issue and if so, then fixing it up is outlined in the below points:

Determining if you are running StorAHCI.sys:

Fix the StorAHCI.sys Driver to Solve Windows 100% Disk Usage Error

Standard SATA AHCI Controller Properties

Disabling MSI for the Controller via the Registry:

“HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\PCI\< AHCI Controller> Device Parameters\Interrupt Management\MessageSignaledInterruptProperties”

Disabling MSI for the Controller via the Registry

10. Disable Windows Update Service

Our next solution to fix 100% disk usage in Windows 10 is by disabling the Windows Update Service. It can be done as per the outlined steps below:

Disable Windows Update Service to Fix Windows 10 100% Disk Usgae Error

Read More: Fix The Disk Is Write-protected Error On Windows 10/8/7

So, friends this was our wholesome guide to fix Windows 10 100% disk usage in Task Manager error. With this I hope that you are able to boost your PC performance. Always ensure to run only a few programs at a time to keep your PC performance at an optimum level.

Do let us know in the comments section which method worked for you or if you have any other suggestions.

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Windows Task Manager: The Complete Guide

Chris Hoffman is Editor-in-Chief of How-To Geek. He's written about technology for over a decade and was a PCWorld columnist for two years. Chris has written for The New York Times  and Reader's Digest , been interviewed as a technology expert on TV stations like Miami's NBC 6, and had his work covered by news outlets like the BBC. Since 2011, Chris has written over 2,000 articles that have been read more than one billion times---and that's just here at How-To Geek. Read more...

Processes tab in Windows 10's Task Manager

The Windows Task Manager is a powerful tool packed with useful information, from your system’s overall resource usage to detailed statistics about each process. This guide explains every feature and technical term in the Task Manager.

This article focuses on Windows 10’s Task Manager, although much of this also applies to Windows 7. Microsoft has dramatically improved the Task Manager since the release of Windows 7.

How to Launch the Task Manager

Windows offers many ways to launch the Task Manager . Press Ctrl+Shift+Esc to open the Task Manager with a keyboard shortcut or right-click the Windows taskbar and select “Task Manager.”

You can also press Ctrl+Alt+Delete and then click “Task Manager” on the screen that appears or find the Task Manager shortcut in your Start menu.

The Simple View

The first time you launch the Task Manager, you’ll see a small, simple window. This window lists the visible applications running on your desktop, excluding background applications. You can select an application here and click “End Task” to close it. This is useful if an application isn’t responding—in other words, if it’s frozen—and you can’t close it the usual way.

You can also right-click an application in this window to access more options:

While the Task Manager is open, you’ll see a Task Manager icon in your notification area. This shows you how much CPU ( central processing unit ) resources are currently in use on your system, and you can mouse over it to see memory, disk, and network usage. It’s an easy way to keep tabs on your computer’s CPU usage.

To see the system tray icon without the Task Manager appearing on your taskbar, click Options > Hide When Minimized in the full Task Manager interface and minimize the Task Manager window.

The Task Manager’s Tabs Explained

To see the Task Manager’s more advanced tools, click “More Details” at the bottom of the simple view window. You’ll see the full, tabbed interface appear. The Task Manager will remember your preference and will open to the more advanced view in the future. If you want to get back to the simple view, click “Fewer Details.”

With More Details selected, the Task Manager includes the following tabs:

Managing Processes

The Processes tab shows you a comprehensive list of processes running on your system. If you sort it by name, the list is broken into three categories. The Apps group shows the same list of running applications you’d see in the “Fewer details” simplified view. The other two categories are background processes and Windows processes, and they show processes that don’t appear in the standard simplified Task Manager view.

For example, tools like Dropbox, your antivirus program, background update processes, and hardware utilities with notification area (system tray) icons appear in the background processes list. Windows processes include various processes that are part of the Windows operating system, although some of these appear under “Background processes” instead for some reason.

You can right-click a process to see actions you can perform. The options you’ll see in the context menu are:

You should not end tasks unless you know what the task does. Many of these tasks are background processes important to Windows itself. They often have confusing names, and you may need to perform a web search to find out what they do. We have a whole series explaining what various processes do , from conhost.exe to wsappx .

This tab also shows you detailed information about each process and their combined resource usage. You can right-click the headings at the top of the list and choose the columns you want to see. The values in each column are color-coded, and a darker orange (or red) color indicates greater resource usage.

You can click a column to sort by it—for example, click the CPU column to see running processes sorted by CPU usage with the biggest CPU hogs at the top. The top of the column also shows the total resource usage of all the processes on your system. Drag and drop columns to reorder them. The available columns are:

When you right-click the headings, you’ll also see a “Resource Values” menu. This is the same option that appears when you right-click an individual process. Whether or not you access this option through right-clicking an individual process, it will always change how all processes in the list appear.

Task Manager Menu Options

There are also a few useful options in the Task Manager’s menu bar:

Viewing Performance Information

The Performance tab shows real-time graphs displaying the usage of system resources like CPU, memory, disk, network, and GPU. If you have multiple disks, network devices, or GPUs, you can see them all separately.

You’ll see small graphs in the left pane, and you can click an option to see a larger graph in the right pane. The graph shows resource usage over the last 60 seconds.

In addition to resource information, the Performance page shows information about your system’s hardware. Here are just some things the different panes show in addition to resource usage:

You can also turn this into a smaller window if you’d like to see it on screen at all times. Just double-click anywhere in the empty white space in the right pane, and you’ll get a floating, always-on-top window with that graph. You can also right-click the graph and select “Graph Summary View” to enable this mode.

The “Open Resource Monitor” button at the bottom of the window opens the Resource Monitor tool , which provides more detailed information about GPU, memory, disk, and network usage by individual running processes.

Consulting App History

The App History tab only applies to Universal Windows Platform (UWP) apps. It doesn’t show information about traditional Windows desktop apps, so most people won’t find it too useful.

At the top of the window, you’ll see the date Windows started collecting resource usage data. The list shows UWP applications and the amount of CPU time and network activity the application has generated since that date. You can right-click the headings here to enable a few more options for more insight about network activity:

Controlling Startup Applications

The Startup tab is Windows 10’s built-in startup programs manager. It lists all the applications that Windows automatically starts for your current user account. For example, programs in your Startup folder and programs set to start in the Windows registry both appear here.

To disable a startup program, right-click it and select “Disable” or select it and click the “Disable” button. To re-enable it, click the “Enable” option that appears here instead. You can also use the Settings > Apps > Startup interface to manage startup programs.

At the top right corner of the window, you will see a “ Last BIOS time ” on some systems. This shows how long your BIOS (or UEFI firmware) took to initialize your hardware when you last booted your PC. This will not appear on all systems. You won’t see it if your PC’s BIOS doesn’t report this time to Windows.

As usual, you can right-click the headings and enable additional columns. The columns are:

Checking on Users

The Users tab displays a list of signed in users and their running processes. If you’re the only person signed into your Windows PC, you’ll see only your user account here. If other people have signed in and then locked their sessions without signing out, you’ll also see those—locked sessions appear as “Disconnected.” This also shows you the CPU, memory, disk, network, and other system resources used by processes running under each Windows user account.

You can disconnect a user account by right-clicking it and selecting “Disconnect” or force it to sign off by right-clicking it and selecting “Sign Off.” The Disconnect option terminates the desktop connection, but the programs continue to run, and the user can sign back in—like locking a desktop session. The Sign Off option terminates all processes—like signing out of Windows.

You can also manage another user account’s processes from here if you’d like to end a task that belongs to another running user account.

If you right-click the headings, the available columns are:

Managing Detailed Processes

This is the most detailed Task Manager pane. It’s like the Processes tab, but it provides more information and shows processes from all user accounts on your system. If you’ve used the Windows 7 Task Manager, this will look familiar to you; it’s the same information the Processes tab in Windows 7 displays.

You can right-click processes here to access additional options:

If you right-click the headings and select “Show Columns,” you’ll see a much longer list of information you can show here, including many options that aren’t available on the Processes tab.

Here’s what every possible column means:

Working With Services

The Services tab shows a list of the system services on your Windows system. These are background tasks that Windows runs, even when no user account is signed in. They’re controlled by the Windows operating system. Depending on the service, it may be automatically started at boot or only when necessary.

Many services are part of Windows 10 itself. For example, the Windows Update service downloads updates and the Windows Audio service is responsible for sound. Other services are installed by third-party programs. For example, NVIDIA installs several services as part of its graphics drivers.

You shouldn’t mess with these services unless you know what you’re doing. But, if you right-click them, you’ll see options to Start, Stop, or Restart the service. You can also select Search Online to perform a Bing search for information about the service online or “Go to Details” to show the process associated with a running service on the Details tab. Many services will have a “ svchost.exe ” process associated with them.

The Service pane’s columns are:

For more information about these services, click the “Open Services” link at the bottom of the window. This Task Manager pane is just a less powerful services administration tool, anyway.

Process Explorer: A More Powerful Task Manager

If the built-in Windows Task Manager isn’t powerful enough for you, we recommend  Process Explorer . This is a free program from Microsoft; it’s part of the SysInternals suite of useful system tools.

Process Explorer is packed with features and information not included in the Task Manager. You can view which program has a particular file open and unlock the file , for example. The default view also makes it easy to see which processes have opened which other processes. Check out our in-depth, multi-part guide to using Process Explorer to learn more.

RELATED: Understanding Process Explorer

task manager 98 disk

Computer Hope

Task Manager

Windows 10 Task Manager (less details view).

The Task Manager is an operating system component found in all versions of Microsoft Windows since Windows NT 4.0 and Windows 2000. It lets you view each of the tasks (processes) and the overall performance of the computer. Using the Task Manager, you can view how much memory a program is using, stop a frozen program, and view available system resources.

If you are more familiar with Apple computers, you can think of the Task Manager as the Activity Monitor .

What to do in the Task Manager?

Why are there duplicate processes listed in task manager, why am i unable to open the task manager.

How to open the Windows Task Manager

The Task Manager is opened by pressing Ctrl + Shift + Esc on the keyboard. You can also open the Task Manager by right-clicking the taskbar and selecting Task Manager .

Another way to open the Task Manager is by pressing Ctrl + Alt + Del on the keyboard and selecting Task Manager or Start Task Manager .

Windows 8 and Windows 10 users can also access the Task Manager by right-clicking Start or pressing Windows Key + X to access the power user task manager . In this menu, you can access the Task Manager.

In Windows Vista and later versions, click Start, type taskmgr in the Search text box, and select the taskmgr.exe or Task Manager option in the search results.

In Windows XP and earlier versions, Task Manager can also be executed by running the taskmgr.exe file from the C:\Winnt\System32 directory or by clicking Start > Run, typing taskmgr , and pressing Enter .

Early versions of Microsoft Windows (Microsoft Windows 3.x, Windows 95, Windows 98) had a program called tasks to display the programs currently running. This program was executed by running the taskman.exe file from the C:\Windows directory.

Visual examples of Task Manager

Below are visual examples of the Task Manager in Windows 2000, Windows 7, Windows 8, and Windows 10.

Windows 10 Task Manager

Explanation of the tabs in Task Manager

Below is an explanation of each of the tabs found in all versions of the Windows Task Manager window and its ability.

Applications tab

Processes tab, services tab, performance tab, networking tab, app history tab, startup tab, details tab.

The Applications tab is included in all versions of Windows, except Windows 8 and Windows 10, and shows all open programs running on the computer. For most users of Windows 7 and earlier, the Applications tab is the most visited tab. It displays the programs running, including those that stop responding and require you to End Task it. Windows 8 and 10 users can find the End Task on the Processes tab.

The Processes tab is in all versions of Windows, including Windows 8 and Windows 10, and shows all Windows processes currently running on the computer. Starting with Windows 8, Microsoft combined the Applications and Processes tab, hence the reason the Applications tab does not appear in Windows 8 or 10.

The Services tab shows all the Windows Services currently running on the computer.

The Performance tab displays the computer's available system resources , including how much CPU , memory , disk drive , Wi-Fi , and network is used. Newer versions of Windows also show the chart of usage for each of these as they're used. At the bottom of this tab is also a quick link to the Resource Monitor .

The Networking tab in all versions of Windows, except Windows 8 and Windows 10, shows network traffic happening on the computer, including any LAN or Wireless networking traffic.

In the Windows 8 and Windows 10 Processes tab, Network usage may be viewed in the Task Manager, under More details .

The Users tab shows all the users logged in to the computer. In Windows 8, the Users tab also shows the processes that each user is running.

The App history tab was introduced in Windows 8. It shows the overall history of each of the Windows Apps (not traditional Windows programs) that have run on the computer.

The Startup tab was introduced with Windows 8 and shows each program that starts with Windows and its impact on the load time. From the Startup tab, you can also disable the startup programs from this section of Task Manager.

The Details tab was introduced with Windows 8 and has full details of each of the processes running on the computer.

One of the most common things done in Task Manager is using End Task to stop a program from running. If a program is no longer responding, you can choose to End Task from the Task Manager to close the program without having to restart the computer.

Some programs may break parts of the program out as a separate process. For example, the Google Chrome browser loads each of the open tabs into its own process to help make the program more secure and stable. There is nothing wrong with the computer if you see more than one of the same processes open at the same time.

If you're encountering issues opening the Task Manager, the computer could be infected with a virus or spyware. There is known malware designed to cause issues with opening the Task Manager and end tasking them. If you're not able to open Task Manager using any of the recommendations on this page, we suggest scanning your computer for viruses and spyware .

It could also be possible that the Task Manager file in Windows is corrupted, preventing it from running. To fix this problem, revert Windows to a previous restore point where the Task Manager was last working or run a Windows repair installation. For help with restoring Windows, see: How to restore Windows to an earlier copy.

How to get even more control of the Windows processes

The Windows Task Manager is an excellent tool for almost all Windows users. However, there are times where more experienced users may need additional details and information about the processes running on their computer. For these situations, we highly recommend the free Process Explorer utility from Microsoft that is part of the Sysinternals .

Related information

CAM , End Process , End Task , Operating system terms , Resmon , Task , Task list

How to Open Disk Management From Command Prompt

Execute diskmgmt.msc for quick access.

Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades and serves as the SVP and General Manager of Lifewire.

task manager 98 disk

task manager 98 disk

What to Know

A quick way to open the Disk Management utility in Windows is from the Command Prompt. Disk Management is buried several layers deep, so having a faster way to access this super-tool for your hard drives and other storage devices can come in handy. Follow these easy steps to start Disk Management from the Command Prompt in Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP.

Not comfortable working with commands? You can also open disk management from the Computer Management tool in Windows. (This is easy and fast, though, we promise!)

How to Open Disk Management With a Command

Using the Disk Management command only takes a few seconds once you learn how it's done.

In Windows 11/10/8, open Run from the Start menu or Apps screen (or see the A Quicker Method... section at the bottom of the page for an even faster method for opening this tool).

In Windows 7 and Windows Vista, select Start .

In Windows XP and earlier, go to Start and then Run .

All you're doing in this step is accessing a part of Windows that will let you use the command for Disk Management to search for and open the tool, as you'll see in the next step. It might seem odd that there are multiple ways to do this, but every version of Windows works a bit differently.

Type the following Disk Management command in the text box:

Then, press the Enter key or press OK , depending on where you ran the command from.

Technically, opening Disk Management from the Command Prompt would require that you actually open the Command Prompt program (which you can do if you want; it works the same way). However, running an executable program like diskmgmt.msc from the search or Run box accomplishes the same thing.

Technically, diskmgmt.msc isn't the "Disk Management command" any more than any non command-line tool's executable is a "command." In the strictest sense, diskmgmt.msc is just the Run command for the program.

Wait while Disk Management opens. It should be immediate but it might take a few moments for the whole program to load.

Now that it's open, you can use it to change drive letters , partition a drive , format a drive , and more.

The method you use to open Disk Management doesn't change what you can do with it. In other words, all the same functions exist no matter which shortcut method you use, whether it be with Command Prompt, the Run dialog box, Computer Management, or even Windows Explorer.

A Quicker Method in Windows 11, 10 & 8

Are you using a keyboard or mouse with Windows 11, 10, or 8? If so, opening Disk Management via the Power User Menu is even faster than via its Run command.

Just press WIN + X to bring up the menu, then click Disk Management . In Windows 8.1 and newer, right-clicking the Start button works, too.

In Windows 10, you could also execute diskmgmt.msc directly from the Cortana interface, which is nice if you're used to using that to execute commands already.

Another way to use the Disk Management command is from Task Manager . This definitely isn't a quicker method than the procedure described above, but it might be your only option if you're having trouble displaying the desktop or opening menus.

To do this, open Task Manager via Ctrl + Shift + Esc , and go to Run new task (Windows 11) or File > Run new task . Enter diskmgmt.msc and select OK .

The Task Manager method is the exact same as using the Run dialog box. If you compare the two boxes, you'll notice that they look nearly the same because you're accessing the same function in Windows: the command line.

To open the Command Prompt from File Explorer, select the address bar , type cmd > Enter .

In the Command Prompt, type start ms-settings: and press Enter to immediately launch the Settings app.

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Article Number: 000125194

Windows 10 - Task Manager Reports 100% Disk Utilization with MSI Mode Enabled

Summary: this article addresses a windows 10 issue where windows task manager might show 100% disk utilization on devices with message signaled interrupt (msi) mode enabled., article content, article properties.

Symptoms of this issue include the following:

Microsoft has provided the following steps to disable MSI mode for specific devices using the registry:

Out of Warranty support

Last Published Date

20 Dec 2022

Article Type

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Disk in Task Manager Explained: What it Means and How it Works

Is the Disk in Windows Task Manager the same as the actual disk usage on a computer? This guide on “disk in task manager” answers this question.

By Ikechukwu Ugwuanyi | Updated March 3, 2023 | 14 minutes read

Disk In Task Manager Explained What It Means And How It Works

In this guide, you’ll learn about a disk in task manager. Not only that, but this guide will also teach you about the numeric values you see in the Disk column of the Windows Task Manager tool.

So, section-wise, I will first overview the concept of “disk in task manager” and then discuss how it works. After that, we will look into the features of this Microsoft Windows OS technology.

Section four is all about the pros and cons of this Windows OS feature. Thereafter, I will answer questions that people frequently ask about disk in task manager.

Browse Post Topics

Disk In Task Manager An Overview

Every Windows Operating system has a task manager that you can access.

To access the Windows Task Manager, press the Ctrl + Alt + Del keys together and select “Task Manager.” You can also press Ctrl + Shift + Esc on the keyboard to open the Task Manager straight from the desktop.

One of the tabs on the Task Manager window is the “Processes” tab. The Processes tab has several information columns, including the ” Disk ” column.

task manager 98 disk

Like other columns in the processes tab, the disk column has values in MB/s for every running application. Above the Disk header, another percentage value (1% in my screenshot above) shows the disk utilization by running processes.

Moreover, you can view a graphical presentation of the disk usage by switching to the “Performance” tab and clicking on “Disk.” The performance tab simulates the disk usage graphically.

Disk In Task Manager: An Overview

In effect, disk in task manager indicates the disk’s capacity currently being used (disk utilization) by your computer to run programs. Therefore, it relates more to the performance of your hard disk rather than its storage capacity.

How Does Disk in Task Manager Work?

task manager 98 disk

In the context of Disk in Task Manager, a disk’s capacity is different from how much storage space you have on a disk. Specifically, Disk in Task Manager indicates how much of a disk’s read/write capability all running programs utilize.

In a Windows operating system’s Task Manager, the value of disk usage can rise up very high at times. This happens when the capacity of the computer’s disk is fully used to run programs.

You may notice that disk usage rises up to 70% or 100% when your computer boots up. At that point, your computer is opening applications that run at the computer’s startup.

Some applications that may run at a computer’s startup include Skype, antivirus programs, and so on.

Nevertheless, during normal day-to-day operation, the value of disk space usage falls to about 5% or less. If the usage of the disk in task manager remains high always, then something may be wrong with the computer.

A constant high disk usage value slows your computer down or causes a “System not responding” error. Speaking of constant high space usage, it could be that too many apps are running in the background.

Simply put, your computer will perform better if the value of disk usage in the task manager is low.

Features of Disk in Task Manager

Features Of Disk In Task Manager

At this point in our discussion, you should be able to differentiate a disk in task manager from a physical disk. Moreover, you can tell how this Windows Operating Systems feature works.

In this section, we’ll focus properly on the features of Disk in Task Manager.

Disk in Task Manager Does Not Depend on Actual Storage Capacity

As I have hinted more than once, Disk in Task Manager means how much of a disk’s capacity is currently used to perform read/write operations. Meanwhile, storage capacity is the maximum amount of data an HDD or SSD storage can store.

Therefore, the total capacity, used space, or available space on a disk is not the same as its utilization in the Task Manager.

In short, disk utilization in Task Manager can read 0% even when you have 30GB of files on your hard drive.

It is Measured as a Percentage of the Total Disk Capacity

The total usage of a disk in task manager is measured in percentage. The percentage value changes every second, just like a digital clock.

Specifically, this percentage value is expressed in relation to the disk’s average read and write speed.

By read speed, I mean the rate at which the disk opens a file or program. Also, the write speed is how fast the disk can save files.

Thus, when many programs are open and running simultaneously, the disk utilization rises significantly. For PCs with a hard disk drive, you will notice the platters spinning faster at that point.

Individual Processes on Disk are Measured in Megabytes Per Second (MB/s)

All running applications (including background processes) in the Processes tab have distinct values.

Unlike the total value of Disk utilization measured in percentage, disk usage by individual applications is measured in MB/s.

task manager 98 disk

This shows the average speed at which the disk is reading the application’s program and data.

Disk Utilization Contributes to Your PC’s Overall Performance

When the usage value of a disk rises very high, the computer’s performance drops significantly. In severe cases, the computer may freeze or show “Apps not responding” errors.

Normally, one may encounter this challenge when the disk usage is at or near 100%. This is quite different from the high value of disk usage you may experience after a computer startup.

Windows 11 operating system does suffer the disk usage problem at times. So, if you’re using Windows 11, one way to minimize disk usage is disallowing several apps from running in the background .

Pros and Cons of Disk in Task Manager

task manager 98 disk

Now, let’s look into the pros and cons of the Disk in Task Manager.

In particular, I’ll discuss the pros and cons of Disk in Task Manager in terms of having high and low disk usage. Also, I’ll look at how some other computing activities can affect the disk, positively or negatively.

Pros of Low Disk Usage in Task Manager

task manager 98 disk

Cons of High Disk Usage in Task Manager

Frequently Asked Questions

Frequently Asked Questions About Disk In Task Manager

100% disk usage in task manager shows that a hard drive’s read/write capacity is being used to the fullest. In other words, the hard drive is reading (opening) or saving too many programs at the same time. Every hard disk has a specific read/write speed. In general, the read/write speed for a 7200 RPM HDD is about 100 MB/s to 150 MB/s. As for SSD storage, the read/write speed ranges from 200 MB/s to 550 MB/s

A lot of factors can cause disk usage to be so high in the task manager. Some of the factors are as follows. i. It could result from disk errors due to corrupt sectors on a disk. ii. Sometimes, a computer virus or other malware may be the reason. iii. Adobe Flash Player is well known for causing high disk usage on a computer. So, you may want to uninstall it if you have the software. iv. Outdated driver software can also cause it. v. Virtual memory can as well take up huge capacity on a disk. Virtual memory is a memory management technique that allows swapping out excess data from RAM to disk during program execution.

To get rid of 100% disk usage, one of the most effective solutions is to restart your computer. If restarting the computer doe not solve the issue, you can try the following. i. Clean junk files, cached data, or temporary files. ii. Scan your PC with powerful antivirus software; don’t just depend on Windows defender alone. iii. Uninstall apps that you don’t use often; you can install them when you need to use them. iv. Perform a clean boot. A clean boot will restart Windows OS but will load only some drivers and programs, not all of them. v. Update your Windows OS, making sure the update includes patches for fixing disk usage errors.

Immediately after your computer boots, the disk usage will rise to a high value for some seconds. Thus, up to 70% or even 100% usage after booting is normal, as many programs will be starting up at that time. However, after loading the necessary drivers and software, the disk usage should go down for normal day-to-day computing activities. At that stage, the disk usage should be under 10% to be considered normal.

Not necessarily. Disk usage fluctuates regularly. At some points, it can jump to 100% and come down immediately. That may not have any noticeable effect on performance. However, when the usage of a disk remains at 100% always, it can make the computer lag. Moreover, such a situation can cause other apps to open slower or not respond to clicks.

Yes, disk usage affects gaming performance on PC. If disk usage is constantly high, other applications will load slower. This will affect how long it takes your computer to load games. If you’re playing a game that’s stored on a slow hard drive, you may experience an irregular Frames-Per Second rate. That is, the game graphics may not play smoothly since they take a longer time to load.

For normal day-to-day computing tasks, the disk usage should be under 10%. Most times, you will see the disk usage in the task manager ticking between 0% and 3%.

Your disk usage will be at 100% on startup because the amount of reading/write operations on disk is higher at that moment. The disk reads the operating system files and other startup programs during booting. Thus, the disk usage will heighten to 70% or 100%.

Disk in Task Manager means how much of a disk’s read/write capacity a computer is using to run tasks at a particular time. On the other hand, disk speed refers to a disk’s standard/average read/write speed. A disk’s usage is, therefore, a measure of the disk’s capacity in use with respect to the standard capacity of the disk. Thus, the Task Manager measures the total usage of a disk in percentage. Meanwhile, disk speed is measured in megabytes per second (MB/s).

Yes, low RAM can lead to high disk usage. Some operating system creates a swap space on the hard drive where excess data on RAM are kept temporarily. So, whenever the RAM is running out of space, it pushes the extra data to the disk from where it fetches them later. This memory management technique is called paging. While paging helps to reduce the load on RAM, it gives more load to the disk.

My Final Thoughts

task manager 98 disk

Disk in Task Manager is one area that many computer users pay less attention to. As you have seen in this guide, it can affect how fast or slow a PC performs.

Therefore, you shouldn’t wait until your PC quits before checking the disk usage. Once you notice an unusual lag with your PC, one troubleshooting step is to check the disk usage.

So, always clean junk files and avoid setting too many apps to run at startup. Also, uninstall unnecessary and old apps.

You can install them later when you need them.

Paying attention to your PC’s disk usage level may save you the troubles of an unresponsive PC.

I hope I was able to explain Disk in Task Manager and how it works. I also hope that you found the article easy to understand.

If you found the article helpful and easy to understand, kindly spare 2 minutes to share your experience with our community at Itechguides Community Forum .

However, if you have any questions regarding Disk in Task Manager or if you’re having any problem with high disk utilization, please post your question at Itechguides Community Forum . Our team and other community members will come back to you with a fix as soon as possible.

Finally, you may find other helpful articles on our  Storage & Disk Technology Explained  page.

References and Further Reading

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MiniTool

Introduction to Task Manager [MiniTool Wiki]

Definition of task manager.

Task Manager (formerly known as Windows Task Manager) is a task manager, system monitor, and startup manager included with all versions of Microsoft Windows since Windows NT 4.0 and Windows 2000.

Windows Task Manager provides information about computer performance and shows detailed information about the programs and processes running on the computer, including name of running processes, CPU load, commit charge, I/O details, logged-in users, and Windows services; if connected to the network, you can also view the network status and quickly understand how the network works.

Microsoft improves the task manager between each version of Windows, sometimes quite dramatically. Specifically, the task managers in Windows 10 and Windows 8 are very different from those in Windows 7 and Windows Vista , and the task managers in Windows 7 and Vista are very different from those in Windows XP . A similar program called Tasks exists in Windows 98 and Windows 95.

How to Open the Task Manager

Starting Task Manager is always a concern for many of you. Now we will list some easy and quick ways for you to open it. Some of them might come in handy if you don’t know how to open a Task Manager or you can’t open Task Manager the way you’re used to.

You are probably familiar with the way that pressing Ctrl+Alt+Delete on your keyboard. Before Windows Vista was released, this way can bring you directly to Task Manager.

Starting with Windows Vista, pressing Ctrl+Alt+Delete now brings you to the Windows Security interface, which provides options for locking your PC, switching users, signing out, changing a password, and running Task Manager.

open Task Manager through Windows Security interface

The quickest way to start Task Manager - assuming your keyboard works normally - is to press Ctrl + Shift + Esc .

press Ctrl + Shift + Esc keys

If you prefer using a mouse over a keyboard, one of the quickest ways to launch Task Manager is to right-click on any blank area on the taskbar and select Task Manager. Just need two clicks.

 right-click on any blank area on the taskbar to open Task Manager

You can also run Task Management by hitting Windows+R to open the Run box, typing taskmgr and then hitting Enter or clicking OK.

type taskmgr in run box

In fact, you can also open the Task Manager by Star menu, Windows Explorer , or creating a shortcut... While we have listed these four convenient ways which are totally enough for you.

Explanation of the Tabs in Task Manager

Now we are going to discuss all the useful tabs you can find in the Task Manager nowadays, mostly in Windows 8 and Windows 10.

Task Manager window

The Processes tab contains a list of all running programs and applications on your computer (listed under Apps), as well as any background processes and Windows processes that are running.

In this tab, you can close running programs, see how each program uses your computer resources, and more.

The Processes tab is available in all versions of Windows. Starting with Windows 8, Microsoft has combined the Applications and Processes tab into the Processes tab, so Windows 8/10 displays all running programs in addition to processes and services.

Performance

The Performance tab is available in all versions of Windows that is a summary of what's going on, overall, with your major hardware components, including CPU, memory, disk drive , Wi-Fi, and network usage. It displays how much the computer's available system resources are being used, so you can check the valuable information.

For example, this tab makes it easy to see your CPU model and maximum speed, RAM slots in use, disk transfer rate , your IP address...Newer versions of Windows also display usage charts. What’s more? There is a quick link to the Resource Monitor at the bottom of this tab.

App History

The App History tab displays the CPU usage and network utilization that each Windows app has used from the date listed on the screen until the time you enter Task Manager. App History is only available in Task Manager in Windows 10 and Windows 8.

The Startup tab shows every program that is launched automatically each time you start your computer, along with several important details about each program, including the Publisher, Status, and Startup impact which is the most valuable information - shows the impact rating of high, medium or low.

This tab is great for identifying and then disabling programs that you don't need them to run automatically. Disabling Windows auto-start programs is a very simple way to speed up your computer. Startup tab is only available in Task Manager in Windows 10 and Windows 8.

The Users tab shows users currently signed in to the computer and the processes are running within each. The Users tab is available in all Windows versions of Task Manager but only shows processes that each user is running in Windows 10 and Windows 8.

The Details tab contains full details of each process running on your computer. The information provided in this tab is useful during advanced troubleshooting. Details tab is available in Task Manager in Windows 10 and Windows 8, and the features of the Processes tab are similar to Details in earlier versions of Windows.

The Services tab is available in Task Manager in Windows 10, 8, 7, and Vista that shows all of the Windows Services currently running on the computer with the Description and Status. The status is Running or Stopped, and you can change it.

What to Do in the Task Manager?

Task manager always gives you some limited control over those running tasks, like set process priorities, processor affinity, start and stop services, and forcibly terminate processes.

Well, one of the most common things done in Task Manager is to use End Task to prevent programs from running. If a program no longer responds, you can select End Task from the Task Manager to close the program without restarting the computer.

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Hide removable disks in Task Managers Performance tab

Task Manager shows all removable disks in the "Performance" tab. How can I hide them? None of them is actually plugged in. Only disk 0 and 1 are actually there.

enter image description here

harrymc's user avatar

Unfortunately, "Hide empty drives" option in File Explorer doesn't hide those from Task Manager. For me those drives were coming from an USB memory card reader which created separate drives for each type of physical card slot on it. What I did was disable the whole USB device in Windows Device Manager by right-clicking the corresponding USB Mass Storage Device revealed by menu "View->Devices by connection" for the related drives and selecting "Disable device". Note that I tried to disable the disk drives individually but even that didn't remove those from Task Manager.

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IMAGES

  1. What is Disk Usage in Task Manager?

    task manager 98 disk

  2. task manager

    task manager 98 disk

  3. New Windows 10 Task Manager for Gamers is Rolling Out

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  4. Task manager in Windows 95 (Close Program)

    task manager 98 disk

  5. [Solved]: Tips to fix Disk usage 100% always on Windows 10 & Improve Windows Performance

    task manager 98 disk

  6. FIX: 100% Disk Usage Windows 10 Task Manager

    task manager 98 disk

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COMMENTS

  1. Laptop show 98% disk usage but almost nothing showing in the task manager

    The Disk% in Task Manager represents I/O load, not throughput. If a process is sending many small read/write requests to the disk, it fills the I/O buffer even though it is transferring a very small amount of data. That svchost process in your screenshot is definitely worth looking into.

  2. Disk usage running 98-100%

    Press Windows key + R Type: services.msc Hit Enter Scroll down to Windows Update Select it then right click it Click Properties Under the General tab, choose Startup type to Disabled Click Stop Click Apply then OK Also, check whats starting up with Windows. Press Windows key + X Click Task Manager Click Startup tab

  3. In task manager disk utility is 98-100% always

    In task manager disk utility is 98-100% always In task manager disk utility is always between 98-100% due to this, applications not working properly and i will get to update my windows also can any one help me what to do? if i connect to internet it will be between 99-100% some times it will be stuck at 100

  4. [SOLVED] Windows 10 100% disk usage in Task Manager

    Fix 4: Perform a disk check 1) On your keyboard, press Windows key and X at the same time, then choose Command Prompt (Admin) . 2) Click Yes at the User Account Control prompt. 3) The command prompt will once again display. Type in the following command: chkdsk.exe /f /r

  5. Solved

    Open up Resource Monitor and identify the programs in the Disk section that are using most of the disk usage. To open up Resource Monitor, open Start then Run and type in resmon. You can open up Run by using Windows Key + R or by clicking Run on the Start Menu. You can also search for Resource Monitor in the Start Menu.

  6. Solved: Windows 11/10 100% Disk Usage in Task Manager!

    Solution 1. Turn Off Windows Search Press Win + R and type msc and press Enter key. Find the Windows Search and double click to launch Windows Search Properties Select Disabled on the dropdown menu for Startup type. Click Stop to permanently disable the service. Click OK.

  7. 8 ways to open Disk Management (diskmgmt.msc) in Windows

    Open Task Manager by pressing Ctrl + Shift + Escape on your keyboard. If you're using Windows 10 and the Task Manager opens in its compact view, click or tap More details. Then, click or tap File > Run new task. In the Create new task dialog box, type this command and click or tap OK: diskmgmt.msc.

  8. Fixed: 100% Disk Usage on Windows 10 Task Manager (Update)

    When Disk Usage is at 100% in the Task Manager, you can try the following methods until it works. Method 1. Disable Antivirus Software temporarily Method 2. Change the settings in Google Chrome & Skype Method 3. Using Control Panel to uninstall all Browsers Method 4. Disable SuperFetch Service Method 5. Fix StorAHCI.sys driver Method 6.

  9. Windows 10 100% Disk Usage In Task Manager [Fixed]

    Wholesome Guide To Resolve Windows 10 100% Disk Usage Error 1. Disable Antivirus Software Temporarily 2. Perform a Disk Check 3. Alter Energy Options From Balanced To High Performance 4. Disable Windows Search 5. Disable SuperFetch 6. Uninstall Flash Player Update 7. Update Device Drivers 8. Reset Virtual Memory 9. Fix the StorAHCI.sys Driver 10.

  10. Windows Task Manager: The Complete Guide

    Press Ctrl+Shift+Esc to open the Task Manager with a keyboard shortcut or right-click the Windows taskbar and select "Task Manager." You can also press Ctrl+Alt+Delete and then click "Task Manager" on the screen that appears or find the Task Manager shortcut in your Start menu. The Simple View

  11. How to Open Disk Management

    Go to Control Panel > System and Security > Windows Tools > Computer Management > Disk Management (under Storage ). Alternatively, open Command Prompt and execute diskmgmt.msc. Make a shortcut: Right-click desktop, New > Shortcut. Type diskmgmt.msc, select Next. Change name, then Finish.

  12. What is Task Manager?

    The Task Manager is an operating system component found in all versions of Microsoft Windows ... Windows 98) had a program called tasks to display the programs currently running. This program was executed by running the taskman.exe file from the C:\Windows directory. ... including how much CPU, memory, disk drive, Wi-Fi, and network is used ...

  13. How to Open Disk Management From Command Prompt

    Alternatively, press WIN + X and select Disk Management. Or, open Task Manager via Ctrl + Shift + Esc and go to File > Run new task. Enter diskmgmt.msc and select OK. A quick way to open the Disk Management utility in Windows is from the Command Prompt. Disk Management is buried several layers deep, so having a faster way to access this super ...

  14. Windows 10

    Task Manager reporting the hard disk to be operating at 100% utilization despite a light workload or no workload The computer may experience lag or become unresponsive. The computer event log contains numerous events with Event ID 129, which represent resets of the disk controller.

  15. Windows 98SE; Task Manager will not open

    OFFLINE. Gender: Male. Location: In the middle of Kansas. Local time: 05:05 AM. Posted 20 April 2011 - 12:25 PM. Click start - run & type in taskman.exe. See if it works then. In the beginning ...

  16. What is Disk in Task Manager: Features, Pros & Cons

    To access the Windows Task Manager, press the Ctrl + Alt + Del keys together and select "Task Manager." You can also press Ctrl + Shift + Esc on the keyboard to open the Task Manager straight from the desktop. One of the tabs on the Task Manager window is the "Processes" tab.

  17. Introduction to Task Manager

    Definition of Task Manager. Task Manager (formerly known as Windows Task Manager) is a task manager, system monitor, and startup manager included with all versions of Microsoft Windows since Windows NT 4.0 and Windows 2000. Windows Task Manager provides information about computer performance and shows detailed information about the programs and ...

  18. Hide removable disks in Task Managers Performance tab

    What I did was disable the whole USB device in Windows Device Manager by right-clicking the corresponding USB Mass Storage Device revealed by menu "View->Devices by connection" for the related drives and selecting "Disable device". Note that I tried to disable the disk drives individually but even that didn't remove those from Task Manager. Share.