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How to make a bootable USB Flash Drive (Stick) under Windows 7

Making a USB flash drive bootable is fairly easy, just follow the steps below, however the bootable USB stick you make, will only function properly on a computer in BIOS mode.

  1. Start the Command Prompt.
  2. Change drive to the USB device (e.g. E:):
    C:>E:
  3. Start the DISKPART executable:
    E:>diskpart
  4. In the DISKPART window list the disks:
    DISKPART> list disk
    You should now be able se all disks on the system
  5. Select the disk that corresponds to the USB device:
    DISKPART> select disk 1
  6. Prepare the disk with the Clean command:
    DISKPART> clean
  7. Create the primary partition:
    DISKPART> create partition primary
  8. Select the primary partition:
    DISKPART> select partition 1
  9. Mark the selected partition as the active partition
    DISKPART> active
  10. You may now format the partition:
    DISKPART> format fs=fat32 quick
  11. Assign the drive letter to the device:
    DISKPART> assign
  12. Exit the DISKPART executable:
    DISKPART> exit
  13. Insert your Windows 7 installation DVD in your computer
    • Open the command prompt with admnistrative rights
    • Change the directory to the BOOT directory on the DVD.
    • Execute the command BOOTSECT /NT60 [drive letter] from the DVD.  (Drive Letter is your USB stick)
    • Example: 
      E:boot>bootsect /nt60 f:
      Target volumes will be updated with BOOTMGR compatible bootcode.
      F: (\?Volume{7c21f493-5fbf-11df-8c4e-0026b98067f8})
          Successfully updated FAT32 filesystem bootcode.
      Bootcode was successfully updated on all targeted volumes.

This completes the process – what you now have is a bootable USB stick, which is ready to receive the executables that you want to boot up with from the USB port.

by Jens Vejrup Lassen


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