Hi you will need an operating computer and a USB stick of at least 4Gb
Download the following two programmes to your desktop :
- Rufus
For 32bit systems
2. Windows Vista RC
For 64bit systems
2. Windows Vista RC
Insert the USB stick Then run Rufus
https://dl.dropbox.com/u/73555776/rufus.JPG
Select the ISO file on the desktop via the ISO icon.
Press Start Burn
https://dl.dropbox.com/u/73555776/RufusISO.JPG
Insert the USB into the sick computer and start the computer. First ensuring that the system is set to boot from USB
Note: If you are not sure how to do that follow the instructions Here
When you reboot you will see this.
Click repair my computer
https://dl.dropboxusercontent.com/u/73555776/W7%20repair.png
Select your operating system
Select System Restore
https://dl.dropboxusercontent.com/u/73555776/W7%20Command.png
Restore your computer to a few days ago