Do you have 100% Disk Usage in the Task Manager?

Do you want to fix this problem with easy steps?

In this tutorial, you will learn how to fix the 100% disk usage issue on Windows 10.

We will disable services like SysMain (previously named SuperFetch) and Windows Search, we will also disable automatic Disk Defragmentation and increase the Virtual Memory.

If one of these fixes worked please leave a thank you comment below, thanks!

Let’s go!

Fix 100% Disk Usage in Task Manager on Windows 10

Here is how this issue looks like in the Task Manager, for some people the PC will be slow to use even the Task Manager won’t open as easily.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 1 Task Manager Solved

1. Disable SysMain Service

First, open the Run prompt and type in services.msc, hit Enter.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 2 Run Services Msc

Right-click on the service “SysMain” and choose “Properties“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 3 Sysmain Service

On “Startup type:” choose “Disabled” and click the “Stop” button.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 4 Sysmain Superfetch Disabled Stop

2. Disable Windows Search Service

On the same Services window, right-click on the “Windows Search” service and choose “Properties“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 5 Windows Search Properties Service

Choose “Disabled” on “Startup type:” and click on “Stop“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 6 Windows Search Disabled Stop

3. Disable Defrag Task in the Task Scheduler

Open Start menu, search, and open the Task Scheduler.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 7 Task Scheduler Start

Navigate to the following:

Task Scheduler Library > Microsoft > Windows > Defrag

Click “End” to stop running the task and click “Disable” to stop the task from running automatically, you can re-enable it later.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 8 Defrag Disable End

4. Increase Virtual Memory Space

Open the System window using the Windows+Pause keyboard shortcut.

Click on “Advanced system settings“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 9 Advanced System Settings

Click “Settings” under “Performance“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 10 Performance Settings

Open the “Advanced” tab, click on “Change…“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 11 Change Virtual Memory

Now do some math, you need to calculate: 1024 x RAM x 1.5

I have 16 GB of RAM so the number is: 1024 x 16 x 1.5 = 24576.

Calculation Virtual Memory

Uncheck “Automatically manage paging file size for all drives“.

Select the C: drive.

Put the recommended paging file size in the “Initial size:” and put the number we calculated under the maximum size.

Click on the “Set” button. Click “OK“.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 12 Virtual Memory

Restart your PC for changes to take effect.

100 Disk Usage Fix Fixed Solved Solution Error Problem Windows 10 13 Restart Pc

If this fixed the 100% disk usage issue please leave a comment.

Don’t forget to share with your friends ;)

Soufiane – Easytutorial.com