This happen to me a couple months ago. I have been told by a friend that it might be a firmware problem. I have tried all of the steps on the support website and i dont know what to do . My only answer i think is that my laser reader may be messed up but i can still play games. In order for me to play games i have to keep on opening and closing the disc tray until it says Play game or Call of Duty Black Ops. Any suggestions?