1. Place your Windows 7 disc in your computer and restart your computer.
2. Look for the prompt 'Press any key to boot from CD/DVD' and press 'Enter.' This will load up the 'Windows 7 Setup' page.

3. Select your language preference and click 'Next.'
4. Select 'Repair your computer.' Select 'Windows 7' from the list and click 'Next.' This will open the 'System Recovery Options' page.
5. Select 'System Restore.' This will open the 'System Restore' page and click 'Next.'
6. Select 'Choose a different restore point' and click 'Next.'
7. Select a restore point from the list and click 'Next.'
8. Click on 'Finish.' You computer is being restored.