Make a USB flash memory drive bootable
Prepare the USB drive to be bootable
Insert drive
Open an elevated Command Prompt
Type “diskpart.exe”
Type “list disk” and find the disk number
Type “sel disk 1” (replace the “1” with the actual number)
Type “clean”
Type “cre par pri”
Type “active”
Type “format fs=ntfs quick”
Type “assign”
Type “exit”