Recovering From the Hard Drive During Startup
To reinstall Windows Vista and all pre-installed software and drivers:
Turn on your computer, then press <F11> during startup. Packard Bell Recovery Management opens.
Click Restore system from factory default.
Caution: Continuing the process will erase all files on your hard drive.
Click Next to continue. Your hard drive's original, factory-loaded contents are recovered. This process will take several minutes.