Wednesday, March 2, 2011

How to Make Windows 7 USB Installer

This tutorial will guide you on how to make USB bootable windows installer. This is useful for installing Windows 7 on systems with no optical drive e.g DVD-ROM.

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:
list disk

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 1
create partition primary
select partition 1
format fs=NTFS
The USB drive is now formatted and ready for bootable process..

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:
cd d:\\boot
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:

We're done!

Step 3: Copy the installation DVD to the USB drive
Step 4: Set your BIOS to boot from USB

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