If your computer is slow & your Windows 10 Task Manager shows 100% disk usage, that means that there is an issue that is causing your hard drive lớn over-work. Read on khổng lồ learn how you can fix the 100% disk usage in Windows 10.

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What are the reasons behind 100% disk usage in Windows 10

The easiest way lớn discover what is causing the 100% disk usage is to lớn go lớn the Windows Task Manager. You will see which process is overloading your system và which issue you need to lớn fix.

To open the Task Manager:

Hit CTRL + SHIFT + ESCClick on the Processes TabArrange the Disk column khổng lồ show the processes with the highest disk usage.


If there are items that are utilizing more than 1 lớn 2 MB per second is a concern. The performance of your system can be harmed even if there is slightly higher disk usage.

Once you’ve sầu checked your Task Manager và there are some issues, you can see how you can solve sầu them below:

Method 1: Cthua thảm applications that are running in the background

If there are a lot of background applications that are running may cause 100% disk usage in Windows 10. You can uninstall some of the ones that you are not using, but most of the time you can stop them from running.

When you open the Windows Task Manager and see which process is the reason behind the 100% usage, vì chưng the following:

Select the process/program that you wish khổng lồ stop running.Cliông chồng “End Task” at the bottom of the window

This will force stop the software or the process that is causing the 100% disk usage & should improve the performance of your system.

Method 2: Update Windows 10

Updating your Windows 10 to its lachạy thử version can many times solve sầu problems of unknown nature. You can kiểm tra if your Windows is up lớn date by:

Go to PC Settings
Cliông xã on “Update & Security settings”
Navigate khổng lồ “Windows Update”

By updating your system you can improve the overall performance including that of your hard drive.

Method 3: Restart Your Computer

This is an all-knowing method for resolving some of the Windows 10 issues, including 100% disk usage. This method may not point you khổng lồ the reason behind your issue, but it can fix it.


Method 4: Change the Energy Options

In some cases, this method helps some of the users to lớn fix their 100% disk usage problem in Windows 10.

Open và Windows Start Menu and clichồng on Control PanelGo lớn Hardware và Sound -> Power Options
Cliông chồng on Change Plan settings
Cliông xã on “Change advanced power settings”
Select the “High-performance” option from the drop-down menu

Method 5: Remix Virtual Memory in Windows 10

Virtual memory is using your disk as if is RAM, by swapping temporary files when it runs out of actual RAM. Errors can start showing up in the pagefile.sys & it can cause 100% disk usage on your Windows 10 computer.

To solve sầu this issue you will have to lớn rephối your virtual memory settings:

mở cửa the Windows Start Menu và cliông chồng on “PC Settings”
Cliông chồng on “System”
Navigate lớn the “About” thực đơn and cliông xã on “Advanced system settings”
In the “System Properties“ window cliông xã on the “Advanced” tab and cliông xã the “Settings” button in the “Performance” section
Navigate lớn the “Advanced” tab và clichồng on “Change”
Make sure the box titled “Automatically manage paging tệp tin size” is checked. Press OK và then reboot. By doing this your system will inhibit the use of virtual memory & may improve sầu your disk performance.

Method 6: Rephối or reinstall synchronization tools

Tools like OneDrive or Dropbox sometimes take a lot of resources to synchronize all files. In some cases they get stuông chồng & they overload your hard drive và push the disk usage to lớn 100%. This problem happens when they are still trying lớn synchronize files after the process is done.

To remix OneDrive for example you can vị the following:

Press Windows Key + R
Enter the command %localappdata%MicrosoftOneDriveonedrive sầu.exe cộ /reset

This should fix the issue & your disk usage should go bachồng lớn normal.

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Method 7: Rebuild the Windows Search index

Windows Search helps you find files, folders, or anything on your hard drive sầu. To bởi vì that it scans your hard drive và turns into lớn a super-fast index lớn show you your desired results.

In some cases, the tìm kiếm feature can create issues as it keeps on indexing that can cause 100% disk usage and harm your hard drives’ performance.

To solve this problem you can rebuild the index:

Cliông xã on the Windows “Start Menu” button and in the tìm kiếm bar type – indexing
Select “Indexing Options” in the tìm kiếm results. Cliông xã on “Advanced” & hit the “Rebuild” button.

This will erase and rebuilt the index and fix the errors that are behind the 100% disk usage in Windows 10

Method 8: Run Disk Check

Windows 10 Disk Cheông xã can identify và automatically correct file system errors which can be harming your hard drives’ performance.

Follow the steps khổng lồ initiate a Disk Check:

Press Windows Key + R
, type “cmd” in the Run windows, and hit OKType in the following commvà in the Command Prompt window – chkdsk.exe pháo /f /rHit Enter & type Y to lớn confirm the Disk Check the next time you reboot your PC. The Disk Cheông chồng will start the next time your system start khổng lồ boot and sometimes it can take quite a while khổng lồ complete.

Method 9: Stop the Superfetch Service

Sometimes this service can cause problems và increase the usage of your hard drive sầu.

Similar to the previous step open again the Comm& prompt. Type the command: net.exe stop superfetch.


Method 10: Disable Windows Search

There is a bug in Windows 8 & Windows 10 that can cause a tìm kiếm loop when you are using Windows Search. This can cause 100% disk usage và a drop in performance.

To disable the Windows Search follow these steps:

Open the Comm& Prompt(as mentioned in Method 8)
Enter the command net.exe pháo stop “Windows search”

This will temporarily stop Window search from running until the next time Windows is restarted.

If you discover that Windows tìm kiếm is the reason behind your Windows 10 reaching 100% disk usage, you can disable it permanently by doing the following:

Press Windows Key + R
. Type service.msc & hit EnterIn the Service window select Windows Search entry & double-click it khổng lồ update its properties.Select Disable under Startup type and then clichồng OK.

Method 11: Remove temporary files

Deleting your temporary files as we have covered in our previous article, can help you prevent issues. In some rare cases, bugs with temporary files can cause a Windows process or application khổng lồ create a lot of files and increase your disk usage lớn 100%.

Deleting the temporary files is a solution you need lớn look into lớn fix the problem.

So what if the 100% disk usage in Windows 10 issue persists?

If you can’t solve sầu your 100% disk usage with the above methods, that means that you probably have lớn replace your hard drive. Your hard drive should never be at 100% usage. In case it is constantly showing this number there is some reason for the condition. If you don’t address the issue you are risking having a very slow computer.