Here are a few possible solutions based on what you found when searching for the drive in Disk Management.
Once you’ve performed the above steps, you’re in a better place to fix the problem.
If not, move onto the fixes outlined below. Hopefully, one of these will solve your problem. If no computers see the drive when you connect it–even in the Disk Management window–the USB drive itself is likely dead. It’s possible the USB hub doesn’t supply enough power. It’s possible that one particular USB port on the computer is dead. If you’re using a larger drive, ensure it doesn’t have its own power switch or power cable you need to connect. If you don’t see the drive in the Disk Management window at all, try these troubleshooting steps:
