Search for Create and format hard disk partitions.If you know that the drive is working correctly, but it won't show up in File Explorer, the drive could be trying to use a letter already in use by another device or the drive letter may be missing.Ī drive letter conflict is a common problem with removable devices, and you can fix this issue with these steps: You can try resetting the connection by shutting down your computer and unplugging the external drive, then after one minute, turn on your computer and reconnect the drive.Īlternatively, you can try connecting the drive to a different computer, but if this isn't working, there's a good chance the drive or controller is dead. If you've already tried the above recommendations, and you're still unable to use the drive. You can quickly find out if there's a port problem by unplugging the drive and using a different port on the same or another computer. It can also be the case that the problem is a dead USB port on your computer.