boosted1g :
You dont want to repair, you want to restore it to factory image.
When you press F8, what is the list of options it gives you?
I gives me
Repair your computer
Safe mode
Safe mode with networking
Safe mode with command prompt
En able boot logging
Enable low resolution video
Last known good configuration
Directory services restore mode
Debugging mode
Disable automatic restart on system failure
Disable driver signature enforcement
Restart windows normally