i had installed windows 7 eternity,then it crashed. So i tried to install a proper version of windows. At first,it couldnt boot from cd,then after playing around,i gt to th windows install wizard.when i clicked on install,it says windows could not install because of a missing driver.i tried repair,i also tried restoring windows to an earlier pint in time,it refuses to boot,also i get blue screens. I also tried using an avira rescue disk to skan for viruses,and no viruses were detected.Pls help,thnk you.