1.Insert a USB flashdrive into a running computer.
2.Open a Command Promt window as an administrator.
3.Type diskpart.
2.Open a Command Promt window as an administrator.
3.Type diskpart.
4.In the new command line window that opens, to determine the USB flash drive number or drive letter, at the command promt, type listdisk, and then click ENTER. The listdisk command displays all disks on the computer. NOTE the drive number or drive letter of the USB flash drive.
5.At the command promt, type select disk<X>, where Xis the drive number or drive letter of the USB flash drive, and then click ENTER.
6.Type clean,and then click ENTER. This command deletes all data from the USB flash drive.
7.To create a new primary partition on the USB flash drive, type createpart pri, and then click ENTER.
8.To select the partition that you just created, type selectpart1, and then click ENTER.
7.To create a new primary partition on the USB flash drive, type createpart pri, and then click ENTER.
8.To select the partition that you just created, type selectpart1, and then click ENTER.
9.To format the partition, type format fs=ntfsquick, and then click ENTER.