i have a hp pavilion g7 had a 750gb sata 9.5 hard drive that died (dont know how was given it to fix and then told to keep it) i have only one spare sata hard drive but its a desktop 320gb hard drive it boots up and says missing os (the drive is completely wiped of all data) i used a win 7 ultra 64bit it boots up and asks to instal windows i use custom instal and then it asks were to put windows and there are no devices unchecked hide none compatible hardware and rescan still no devices browsed it show the usb only and try to just put it on the usb but it says no drivers. could to new hard drive be dead if its not showing up and how could i fix the no drivers error