Réparer le disque dur externe qui ne s'affiche pas sur Windows 11/10 ?

Introduction

This tutorial provides a comprehensive guide on how to troubleshoot and fix an external hard drive that is not recognized by Windows 10 or Windows 11. Many users encounter this issue and may think their device is faulty. However, there are several methods to resolve this problem, including both software and hardware checks.

Step 1: Check the Connection of the External Hard Drive

• Ensure that the external hard drive is properly connected to the USB port.
• Try using a different USB port on your computer to rule out port issues.
• If possible, test the external hard drive on another computer to see if it is recognized.

Step 2: Repair with Command Prompt

• Open Command Prompt with administrative privileges:
  • Press Windows + X and select "Windows Terminal (Admin)" or "Command Prompt (Admin)."
• Type the following command to check for errors:

  chkdsk X: /f
  

  Replace X with the drive letter of your external hard drive.
• Press Enter and wait for the process to complete.

Step 3: Create a New Partition

• Open Disk Management by right-clicking on the Start menu and selecting "Disk Management."
• If your external hard drive appears as unallocated, right-click on it and select "New Simple Volume."
• Follow the wizard to create a new partition, assigning a drive letter during the process.

Step 4: Update the External Hard Drive Driver

• Right-click on the Start menu and select "Device Manager."
• Expand the "Disk drives" section and locate your external hard drive.
• Right-click on it and select "Update driver."
• Choose "Search automatically for updated driver software" and follow any prompts.

Step 5: Change the Drive Letter

• In Disk Management, locate your external hard drive.
• Right-click on the drive and select "Change Drive Letter and Paths."
• Click "Change," choose a new letter from the dropdown menu, and click OK.

Step 6: Boot the PC in Safe Mode

• Restart your computer and press F8 repeatedly while it boots.
• Select "Safe Mode" from the options.
• Check if the external hard drive is recognized in this mode.

Step 7: Check USB Power Management Settings

• Open Device Manager and expand "Universal Serial Bus controllers."
• Right-click on each USB Root Hub and select "Properties."
• Go to the "Power Management" tab and uncheck "Allow the computer to turn off this device to save power."
• Click OK and restart your computer.

Step 8: Enable Hidden Devices in USB Hub

• In Device Manager, click on "View" and select "Show hidden devices."
• Check if the external hard drive appears under Disk Drives or USB controllers.
• If found, right-click and select "Enable."

Step 9: Initialize the External Hard Drive

• Open Disk Management.
• If the external hard drive shows as "Not Initialized," right-click on it and select "Initialize Disk."
• Choose either MBR or GPT as the partition style, then click OK.

Conclusion

By following these steps, you should be able to troubleshoot and fix an external hard drive that is not recognized by Windows. If you still face issues, consider using data recovery software like Tenorshare 4DDiG to recover lost data. Always ensure you back up important files in the future to prevent data loss.