i have a compaq presario SR1220nx and well my cd-rom part works but when i put a dvd it does nothing. i have window xp home edition and i'm also trying to install adobe creative suite 4 design premium and still nothing my cd's will do fine but my dvd nothing what is wrong with it oh and also it's a dvd/cd-rom together and the product name is asus crw- 4832As i try everything download dvd decoder update driver and still nothing can anybody help thanks