How to fix a USB drive fragmented into separate partitions With a little tinkering with Windows’ powerful built-in tools and you can more or less fix that yourself in under 5 minutes. In addition, due to the separation of the drive into multiple drives, you lose out on a lot of the storage space. This can’t be fixed by simply reformatting from the File Explorer as you can only reformat each individual drive.
Ever plugged in a USB drive only to see several disk drives pop up in the Windows File Explorer.