U disk format after displaying 0 bytes how to repair

u disk because of its compact, easy to carry with the user's favorite. Recently, a user reflects, the U disk format, the usable capacity becomes 0, and can not be used. Then encounter a U disk format after displaying 0 bytes of the situation how to repair it? You can try the following methods to fix it.

Method One:

1, right click on the U disk, select Attributes;

2, switch to the "tool" item, click "Start Check", and then click "Automatic Repair and recovery" waiting to detect repair.

Method Two:

1, download usboot u disk tools;

2, run Usboot, in HDD mode on the U disk forced format. Here will be prompted to dial down and insert a U disk.