Hi there my windows 7 needed an activation so i activated it and now it went from running 2 cores to 1 i went to the bios and it wont let me install 2, it says all or 1 and before the activation it use to have the option for " 2 " i have tried updating the bios nothing worked oh and by the way i have an Asus P8H61-MX. any help would be appreciated thanks.