Bootable usb pendrive using cmd - Windows 10.

  1. Open a command prompt as administrator
  2. Type C:\Windows\system32> diskpart
  3. Type DISKPART> list disk
  4. DISKPART> select disk 2 (Select your flash drive by running select disk # (Becareful))
  5. DISKPART> clean
  6. DISKPART> create partition primary
  7. DISKPART> select partition 1
  8. DISKPART> format fs=ntfs quick
  9. DISKPART> active
  10. DISKPART> exit