The solution to change the USB flash disk into a space of only 2m

Make the system startup disk U The disc is broken , Dozens of G The size of U The disk becomes only 2M It's big , Where has the space gone , Found a solution ：

https://superuser.com/questions/878108/8gb-memory-stick-only-showing-49mb

 

stay win On the operation

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You don't need to use external partition software. I had the same exact issue and for the same exact reason:

1. Start command prompt

2. Type diskpart

In the new window:

1. type list disk

2. type select disk x (replace x with your disk number as determined by the previous command)

3. type clean

4. type create partition primary

You can now go to disk management and format the disk.