1.What OS do you use?
2.What you mean by saying DVD (dvd disk or some movie from DVD)?
3.What was the last thing you did befor it broke?
4.If it is DVD disk, what are you trying to open and what happens when you put the disk in your drive?
dvd dosen't play as cdrom doesen't read i can't even use mw recovery disk.
technically speaking if you description is accurate,it because it a cdrom and you need a dvdrom to read dvd .now im sure you didnt mean a cdrom ,and you do have a dvdrom drive correct .then you have a bad dvdrom ,does it show in mycomputer ,if so cant you right click on it and choose open