Here is the troubleshooting for "disk
can't format" issue. Please follow as below instructions if you feels
convenient (This instruction is suitable for windows system).
1. Connect USB
drive or other devices that you need to format to your PC.
2. Press Win + R
to open the "Run" dialog, type: cmd and hit
Enter to open Command Prompt.
3. Select "Run as Administrator", type: diskpart and hit Enter.
4. Type: list disk and hit Enter to display all disks
on your computer.
5. Type: select disk 2 and hit Enter. (2 is the drive letter of your USB.)
6. Type: clean and hit Enter.
7. Type: create partition primary and hit Enter.
8. Type: format fs=fat32 or format fs=ntfs quick and hit Enter to reset USB drive to FAT32 or NTFS.
9. Type: assign and give
your USB drive a new drive letter. Then type: exit to finish
the process.
