Hello, I am running into a bit of a problem trying to restore my Qosmio laptop to factory state. I read in several places to hold the 0 (zero) key down while powering on the computer. I tried it several times, sometimes up to at least 10 minutes of holding the button down. The screen remains blank for the duration of the button press, and when i finally lose hope and let go, it continues to boot to an unworking operating system (Windows XP, because I didnt have a 7 disk).