Windows Recovery Environment (Windows RE) is an extensible recovery platform. Windows RE is a starting point for various tools for manual system recovery.
Restart your computer and start slowing tapping the F8 key. Eventually you should get to an Advanced Boot Options screen. Using the arrows on your keyboard, select Repair Your Computer and press Enter on your keyboard.
If the Repair your Computer option is not available, you will need to boot your computer off of the Windows DVD by inserting it into your DVD player and turning your computer on. Your computer will start and you should see the BIOS listing the hardware on your computer as well as other information. When that information has been cleared, your computer will see that a...