I have hp phenom 9550,5120 mb,x64 Windows 7 and after a crash I tried to restore and use the recovery but I can't and I can't reinstall because there is no hdd or dvd drive to find.I can't repair it at startup. here is one problem(after hitting f9 ,diagnostic tools) Error Code:BIHO-2.And when I install windows ,computer can't find any dvd drives to continue the installation.