USB drives should automatically appear in File Explorer when you connect them to your computer. Follow these troubleshooting steps if your Windows 10 or Windows 11 PC doesn't show a connected drive.

Fix USB device not recognized errors on Windows 10/11. Learn about drivers, USB ports, power settings, and USB drive file ...

You may view your hard drive in Disk Management and see unallocated space. The space will be on the hard drive, but Windows cannot use it. It is like having a spare room in your house but locked off.

A Recovery Partition on Windows computers is a special partition that is used for System Recovery purposes. You can view the Recovery Partition in the Disk Management tool on your Windows computer.