Centos system recovery after U disk is installed

1. Use the Windows cmd window to execute the diskpart command

2. Execute the list disk command to view the U disk

3. Execute select disk 2, select the u disk, note that the 2 here is my own display, do not choose the wrong one

4. Execute the clean command

5. Right-click the computer, select Manage, in Disk Management, add a new volume to the U disk, complete