1. Reboot or turn on the computer. Press
to enter the service partition. Note that this message will stay on the screen for only two seconds. If you miss the screen, reboot and try again.
2. Select 'Full recovery' in the main menu of the service partition and follow the onscreen instructions to begin a recovery of your system. Allow the recovery procedure to finish. Reboot the computer and allow Windows setup to complete reinstallation of your software and drivers. Allow the installation to finish and reboot the computer again to finish the recovery.

3. Reinstall any programs and run Windows Update to ensure you have the latest security updates and protection for your computer. Copy any backed up data back to your hard drive.