i have a liteon 163 dvd rom fw gh5e in my pc it worked fine until i used connected it up to my smart 2000 dvd player which is a stand alone,it has a ide cable and standard rom power conector in,it worked fine in the smart 2000 played a vcd and dvd,but when i put it back in my pc it can't read a ps2 dvd anymore?but it can read cdr,have i knackered it.