If you now know the reason for missing drive letter from Windows Explorer or My Computer as well as the solution, it’s time to know why drive letter disappeared from Disk Management. With checking this option and click 'OK,' we can see the missing drive letters in Windows Explorer again. Then, select the 'View' tab and scroll down the sliding handle to the middle until the 'Show drive letters' appears.

Choose 'Folder and search options' from the drop-down menu to get the Folder Options.

To fix this issue, please take the following steps (take Windows 7 for example): The most probable reason may be that you or someone have hidden the drive letters via settings in Windows Folder Options. What’s wrong? Where are these drive letters going? How can we get these lost drive letters back in several steps? Let’s deal with these questions one by one. This is very strange, though it brings nearly no influence on system running and data access: But one day we suddenly found all drive letters have disappeared. Generally, after we open the Windows Explorer, we can see the following scenario:Įvery local drive and every removable storage device has its own letter, like C: for the first drive, A: for floppy drive, and E for DVD drive. 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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