u can't clone old technology with new which is exactly what ur trying 2 do! the differences n bios/firmware, hardware and software just won't b compatible! 1 little difference in any of these things is going to give u problems! if u had data on the old drive that was important u should have backed up that data 2 another storage device b4 doing what u r! if there isn't a data priority, do both, a low level n a high level formatting of ur hard drive, and b4 u start reinstalling your os again clear your cmos!