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External hard drive is not displayed - what to do?

  • Feb 14, 2026
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In this practical tip we will show you what to do if your external hard disk is not displayed.

External USB hard drive is not displayed - you can do

Perhaps the drive letter was not assigned correctly. You have to change:
  1. Open the Windows start menu and type into the search box, type "computer management". Press Enter to confirm. You may be asked to confirm the Windows user account control.
  2. Now click in the left menu under "storage" click "disk management". Here you have a list of all with the PC connected to the data carrier.
  3. Are you looking for the external hard disk and click with the right mouse button on the name.
  4. Select from the context menu the item "change drive letter and paths to change".
  5. To the external hard drive to add a drive letter, click "Add" and then choose a new letter.
Windows: Disk Management

Other reasons for incorrect detection of the external hard drive

That your hard drive is not recognized do not need to lie necessarily in the Software. Also the Hardware of the hard disk could play a role:
  • Possibly the hard drive is not connected properly or USB Port is defective. You can test the hard drive, therefore, on several USB ports on your computer.
  • Also, a faulty hard drive may be the Problem. Make sure, therefore, whether the existing light is on. Also, make sure whether the hard disk stop working.
The guide applies to Windows 7. The Problem can be on other Microsoft operating systems, similar to solve. In a further article we will show you the 5 best USB Gadgets. Should you individual help for Troubleshooting your problem, then contact the experts in the CHIP Forum.

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