To restore your computer, you need to exit the Backup and Restore Center and run Windows Complete PC Restore from the System Recovery Options menu. You can access the Recovery Options menu from a recovery partitions using the F8 key at startup or from a Windows installation disc. Windows Complete PC Restore reformats your hard disk and erases all your data and programs, and then restores it. Before you start the complete restore process, be sure to have the removable media (your back up material) available.