Then the missing partition will be back and visible in File Explorer again. In this case, you can assign a drive letter to it. When your partition is lack of a drive letter, you will be unable to see it in Windows File Explorer. The partitions missing or disappeared can be caused by accidental deletion, loss of drive letter, virus attack, corrupted partition table and other unknown factors.

How do I recover the partition and the files that were stored on it? Help, please!” How to recover missing partitions in Windows? I am using Windows 7 and the partition was almost full with some downloads in progress. “My F drive, which is a partition on my second hard drive used for movies and photos, has disappeared.