System: Vista Business OEM pre-instaled on my laptop.\nI have a recovery files on my external HDD (whole system). In help file to\nit says to press F8 while booting, select "Repair computer" and follow\ninstructons ...\nOn my advanced startup menu THERE IS NOT such option !!! What now? My systm\nbacup is useless?. I don't have full Vista instalation disk, just Recovery CD\nof pre installed system which allows only to recover to factory installed\nsystem.