1. Windows 7 installation ISO or Windows 7 Installation media
2. 4GIG + USB thumb drive / flash drive
3. Formatted thumb drive / flash drive

In order to install Windows 7 from USB you will first need to prepare your USB thumb drive / flash drive.

1. Plug in your USB / Flash drive.

2. Open gparted, open your terminal window and type in sudo gparted, if you currently don’t have gparted installed, type sudo apt-get install gparted

Gparted

4. Make sure you have a freshly formatted USB / Thumb drive

5. Right click on your USB drive, you will need to select the drive from the drop down at the top right hand side of the window, select manage flags, then select boot.

6. Copy the contents of your Windows 7 installation either from your install media or ISO (The iso can be opened with Archive manager) to the USB Thumb Drive / Flash Drive.

7. Make sure you unmount your USB thumb drive / Flash Drive before physically removing it from your computer.

8. Put your USB Thumb Drive / Flash Drive in your Asus eeepc press the power button, then press F12 to bring up the boot menu, select your USB Thumb Drive / Flash Drive from the menu, this will start the Windows 7 Installation.