How to repair a corrupted card or USB in CMD

 

1-Window +R  to run cmd.

2-Then type "diskpart" then enter.

3-then type "list disk"

There will be show your disk 

4-then type "select disk 1 or 2 of them " then enter.

5-type "clean" then press enter .

6-"create partition primary" then press enter. 

7- "Active" then enter.

8-"select partition 1" then press enter.

9-"farmat fs=fat32" then enter.

10-"exist" then enter.