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USB key showing only a few MB

by on May.15, 2016, under Techie

If you are like I was and find that your ##GB USB key is only showing 2MB or 3MB and needs to be formatted, you might need to “clean” it. These directions are for a Windows computer:

Open an Administrative Command Prompt:

DISKPART> list disk

Disk ### Status Size Free Dyn Gpt
——– ————- ——- ——- — —
Disk 0 Online 408 GB 0 B
Disk 1 Online 7509 MB 6619 MB

DISKPART> select disk 1

Disk 1 is now the selected disk.


DiskPart succeeded in cleaning the disk.

DISKPART> create partition primary

DiskPart succeeded in creating the specified partition.


You will then need to Format the USB key like usual.

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