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Fix 100% Disk Usage via Command Prompt Windows 11 (Reg Command)

BY xzcs1
June 16, 2025
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Private
6339 views

Fixing 100% Disk Usage on Windows PC

Objective

To address the issue of a Windows PC running at 100% disk usage using a command-line fix.

Steps

  1. Access Device Manager:

    • Press Win + X and select Device Manager.
  2. Locate Storage Controller:

    • Expand Storage Controllers or ID ATA/ATAPI Controllers.
    • Find the Intel storage controller or the device related to your hard drive.
    • Right-click and select Properties.
    • Navigate to the Details tab.
    • Under Property, select Device Instance Path to view a string similar to the desired PCI path.
  3. Prepare Command:

    • Open Notepad.
    • Type the required command and paste the copied device instance path, replacing the placeholder PCI path.
  4. Modify Registry:

    • Open Command Prompt with administrator privileges:
      • Press Win + R, type CMD, and press Ctrl + Shift + Enter.
    • Paste and execute the command prepared in Notepad.
    • Look for a confirmation message indicating successful completion.
  5. Apply Changes:

    • Restart your PC.
    • Check for improvements in disk usage via Task Manager (press Ctrl + Shift + Esc).

Outcome

Following this method should help solve the issue of 100% disk usage, reducing lag and freezing issues.

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    Fix 100% Disk Usage via Command Prompt Windows 11 (Reg Command)