Unallocated space on USB flash drive can be taken i use via deleting the partition and creating new one of full size. But volume on USB flash drive con not be deleted in Disk Management since the “Delete Volume” button is grayed out. What’s the reason and how to solve the problem?
USB flash drive is regarded as a removable device by Windows. On this kind of devices, users are not allowed to delete partitions (also called volume) and can only create 1 recognizable partition.
Delete Volume on USB Flash Drive with DiskPart
DiskPart is a command-line utility contained in Windows operating system, which can help partition both external and internal device. To delete a partition with this program, users need to take the following steps: type cmd in “Search Box”, right click CMD.exe and run it as administrator. Then, type commands below successively (each typing ends with hitting on “Enter”): diskpart → list volume → select volume N (N is the number of the volume we want to delete) → clean. After DiskPart shows it succeeded in cleaning the disk, our work is done.
WARNING: since DiskPart is a command based program, users are easy to make mistaken operation. If they pick up a wrong volume, Windows or other important information may be destroyed.
See also option of using MiniTool Partition Wizard