Copy of Windows 7 Installer
USB Flash drive (4GIG) Minimum
Computer with DVD-ROM
Step 1: Format the Drive
Plug in your USB Flash Drive
Open a command prompt as administrator (Right click on Start > All Programs > Accessories > Command Prompt and select \"Run as administrator\")
We need the drive number of your USB Drive, on Command Prompt window type the following:
The number of your USB drive will be now listed.In this tutorial I will assume that your USB drive no. is "1"
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 1The USB drive is now formatted and ready for bootable process..
create partition primary
select partition 1
Step 2: How to make the Drive Bootable
Insert your Windows Vista / 7 DVD into your drive.
Change directory to the DVD’s boot directory where bootsect lives:
d:bootsect will make your USB bootable and ready for Vista or Windows 7 image. The "g" is the drive letter of your USB just change it to your current USB drive letter.
bootsect /nt60 g:
Step 3: Copy the installation DVD to the USB drive
Step 4: Set your BIOS to boot from USB