If the External Hard Drive is not recognized, showing up, detected, working or accessible even after plugging it into Windows 11/10, see this fix.

Here's how to fix external drive not recognized in Windows 10 issues when using flash drives and hard drives.

If you see a message box pop up saying Windows detected a hard disk problem, first back up your files and follow the instructions given in this post to fix the problem.

If the hard drive is missing in File Explorer, you can quickly troubleshoot and fix this problem with Disk Management, Device Manager, DiskPart, and other tools, and here’s how on Windows 10.

External hard drives back up your most important files, but what happens when they malfunction? Here's what to do if your device is not detected by Windows or macOS.