Original How to deal with the invisible capacity of U disk

Before I have 1 8G USB flash drive, because the previous time lent to other people to use, and then picked up today to use, found that 8G USB flash drive only 200M is not recognized, I use the management of the disk Management under the view, there is 7G space is not recognized.

What to do?

Enter Win7:

1. Open command-line window cmd
2. Enter DiskPart return
3. First, use list disk to view all disks, and note the number of the disk on which the USB drive is located. As shown, my 8G USB stick number is 3.
4. Typing select disk x, enter. where x is the disk number obtained in the previous step
5. Typing clean Enter
6. At this time, we go back to the graphical interface, Disk Management, the right mouse button can create a new volume.

Reprint: Please specify Source: http://www.cnblogs.com/lihaiping/p/5294946.html

Original How to deal with the invisible capacity of U disk