How to fix a USB drive showing up as two drives (fragmented into multiple partitions) on Windows:
- Hold the Windows key and press X, select PowerShell (Admin), select Yes to the pop-up. You can also use Command Prompt.
- In the Powershell interface type
diskpartto enter the disk partition tool. - Type
list diskto see all disks listed. - Select the USB drive by typing
select disk [NUMBER]. Be careful to select the correct drive. - Type
clean. An error will occur if you have the drive folder open, close the window and repeat the command if this happens. - Type
create partition primary. - Type
format fs=ntfs quickto format the drive (you can also choose to setfs=fat32). - Type
active.