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    How to Fix 100 Percent Disk Usage in Windows 11

    Varsha ChBy 3 Mins Read

    Experiencing 100% disk usage in Windows 11 can significantly impact your system’s performance. Follow this detailed tutorial to troubleshoot and resolve the issue:

    How to Fix 100 Percent Disk Usage in Windows 11

    How to Fix 100 Percent Disk Usage in Windows 11

    Step 1: Identify the Culprit Process

    1. Open Task Manager:
      • Press Ctrl + Shift + Esc to open Task Manager.
      • Check the “Processes” tab to identify the specific process causing high disk usage.

    Step 2: Disable Superfetch (SysMain)

    1. Disable SysMain Service:
      • Press Win + X and select “Command Prompt (Admin)” or “PowerShell (Admin).”
      • Type net stop sysmain and press Enter to stop the SysMain (Superfetch) service.
      • To disable it permanently, run sc config sysmain start=disabled.

    Step 3: Adjust Windows Search Indexing

    1. Modify Indexing Options:
      • Open Control Panel, search for “Indexing Options,” and select it.
      • Click on “Advanced,” go to the “File Types” tab, and uncheck any file types that are not essential for search.

    Step 4: Disable Windows Search Service

    1. Disable Windows Search:
      • Press Win + R, type services.msc, and press Enter.
      • Locate “Windows Search,” right-click, and choose “Properties.”
      • Change the startup type to “Disabled.”

    Step 5: Check for Malware

    1. Run Antivirus Scan:
      • Perform a full system scan using your installed antivirus software to rule out malware causing the high disk usage.

    Step 6: Update Device Drivers

    1. Update Drivers:
      • Press Win + X and select “Device Manager.”
      • Check for any devices with a yellow exclamation mark, indicating a driver issue. Right-click and choose “Update driver” for each.

    Step 7: Adjust Power Settings

    1. Modify Power Plan:
      • Open Control Panel, go to “Power Options,” and select the current power plan.
      • Click on “Change plan settings” and then “Change advanced power settings.”
      • Expand the “Hard disk” option and set “Turn off hard disk after” to a higher value.

    Step 8: Disable Windows Tips

    1. Turn Off Windows Tips:
      • Open Settings (Win + I), go to “System” > “Notifications.”
      • Turn off “Get tips, tricks, and suggestions as you use Windows.”

    Step 9: Check for Windows Updates

    1. Update Windows:
      • Ensure your Windows 11 system is up to date. Open Settings (Win + I) and go to “Windows Update.” Install any pending updates and restart your computer.

    Step 10: Adjust Virtual Memory

    1. Modify Virtual Memory Settings:
      • Open Control Panel, search for “Performance” and select “Adjust the appearance and performance of Windows.”
      • Go to the “Advanced” tab and click on “Change” under Virtual Memory. Uncheck “Automatically manage paging file size for all drives” and set a custom size.

    Step 11: Check for Disk Errors

    1. Run CHKDSK:
      • Open Command Prompt as an administrator.
      • Type chkdsk /f and press Enter. Allow the tool to scan and fix any disk errors on the next system restart.

    Conclusion

    By systematically following these steps, you can troubleshoot and resolve the 100% disk usage issue in Windows 11. If the problem persists, consider seeking further assistance from Microsoft support or relevant forums.

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