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Making USB Flash Drive Bootable using Command Line on Windows

 

Following are the steps to make your USB Flash Drive Bootable using command line on any windows operating systems:

Step 1:  Plug in your USB Flash Drive

Step 2: Open a command prompt as administrator (Right click on Start > All Programs > Accessories > Command Prompt and select “Run as administrator

Step 3: Find the drive number of your USB Drive by typing the following into the Command Prompt window:
diskpart
list disk
The number of your USB drive will listed. You’ll need this for the next step. I’ll assume that the USB flash drive is disk 1.

Step 4: Format the drive by typing the next instructions into the same window. Replace the number “1” with the number of your disk below.
select disk 1
clean
create partition primary
select partition 1
active
format fs=NTFS
assign
exit
When that is done you’ll have a formatted USB flash drive ready to be made bootable.

Step 5: Make the Drive Bootable
Next we’ll use the bootsect utility that comes on the Vista or Windows 7 disk to make the flash drive bootable.

  • Insert your Windows Vista / 7 DVD into your drive.
  • Change directory to the DVD’s boot directory where bootsect lives:
    d:
    cd d:\boot
  • Use bootsect to set the USB as a bootable NTFS drive prepared for a Vista/7 image.
  • I’m assuming that your USB flash drive has been labeled disk G:\ by the computer:     bootsect /nt60 g:

You can now close the command prompt window, we’re done here.

Step 6: Copy the installation DVD to the USB drive
The easiest way is to use Windows explorer to copy all of the files on your DVD on to the formatted flash drive. After you’ve copied all of the files the disk you are ready to go.

Step 7: Set your BIOS to boot from USB
This is where you’re on your own since every computer is different. Most BIOS’s allow you to hit a key at boot and select a boot option.

That’s it… Its Done 🙂

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