How to Fix 100% Disk Usage on Windows 10 Task Manager

Sometimes, Windows System Process or different applications like chrome, skype or Microsoft Office can force your Windows 10 to utilize most of the hard drive. 

This issue is known as the 100% disk usage problem. If you are a regular computer user, you may see some glitches on the cursor or slow loading explorer effect if your Windows 10 is using the 100% of the available hard disk. Navigate the “Task Manager” and you can be sure watching the disk usages right under the process tab. There are several ways to fix 100% Disk usage on Windows 10 because there are various reasons behind the issue.

Who are the culprits?

Well, it depends on the computer because sometimes some system processes can trigger a 100% disk usage issue, and sometimes it can happen for Google or Skype’s rough usage. So, the first thing you need to do is, determining the culprits. To do that, open the task manager and find out which process is using most of the disk. Then follow the steps below to fix 100% disk usages on your Windows 10 Computer.

If “System” is using the 100% of the hard disk:

• Disable Windows Search:

Step 1: Press “Windows+X” and click “Command Prompt (Admin)” from the opened tab.

Step 2: Type net.exe stop "Windows search” and hit Enter. Windows will stop the search process.

Step 3: Now, press “Windows+R” and type “services.msc” on the appeared text bar and click “OK”.

Step 4: A Services tab will appear. Find Windows Search and right click and open “Properties.”

Step 5: Change the Startup Type to “Disable” from the scroll menu and click “Apply” and “OK”.

• Disable SuperFetch services:

Step 1: Open Command Prompt with Admin (See above: Step 1)

Step 2: Type net.exe stop superfetch and hit Enter. Then wait a minute and check the computer to start getting better.

If disabling Windows Search and SuperFetch didn’t solve the problem, then disable your Antivirus and uninstall any recent Flash Player update.

If “Google Chrome” is causing the problem:

Step 1: Open Google chrome and got to settings. Click “Advanced” and find “Use a prediction service to load pages more quickly.”
Step 2: If you see, the option is enabled, disable it and restart Chrome.
This will solve the 100% disk usage problem caused by Google Chrome on your Windows 10 computer.

If “Skype” is causing the problem:

Step 1: Open File Explorer and go to this location: "C:\Program Files (x86)\Skype\Phone\"

Step 2: Right-click on “Skype.exe” and click “Properties” and then open the “Security” tab.

Step 3: Click the “Edit” option and select the “ALL APPLICATION PACKAGES” and then tick in the "Write" box.

Step 4: Click “Apply” and “OK” and then “Ok” again.
Now, Skype will no longer use the process of the hard disk to use inappropriately.

Final TIP: You don’t need to apply all the methods described above, but you can follow them if you can’t determine, what causing the 100% disk usage on your Windows 10 computer. The above methods work with other Windows versions as well, but the user interface may look different than the provided screenshots.