
The remaining drive letters can be assigned to other disk partitions, removable devices and mapping network drives in accordance with actual demands. Generally, drive letter A: is allocated to the first floppy disk drive, B: to the second floppy disk drive, and C: to the first disk partition where the running Windows is installed.

Here, let’s start with what a drive letter is.Ī drive letter is a single alphabetic character A through Z that can be assigned to a physical disk partition, floppy disk drive, removable device, CD-ROM, or even a mapping network drive in the computer. Now, what should we do when drive letter is missing in Windows? When I open This PC, my drive letters are missing from Windows Explorer.
