
Drive Letter Missing from Windows Explorer or My Computer Therefore, we wrote this post and introduce 5 different situations where drive letter disappears, and at the same time show ways to get the missing letter back. However, one day we may find these fixed drive letters are missing in either Windows Explorer or Disk Management, which brings much inconvenience or even makes the partition inaccessible. Once a letter is allocated to a disk partition or mapping network drive (letter for removable devices is changeable), we can say it is fixed unless we change or remove it in Disk Management, Diskpart, or some third-party programs. 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. Drive Letter Missing in Map Network Driveĭriver letter missing? I just upgraded to Windows 10.Drive Letter Missing from the List of Available Drive Letters.


Drive Letter Disappears in Disk Management.Drive Letter Missing from Windows Explorer or My Computer.
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Is one of your drive letters missing? What should you do? How to get the missing drive letters back? This post lists several ways to help you solve the drive letter is missing in Windows issue. For instance, try MiniTool Software to unhide partition.
