One thing you might be able to attempt would be cleaning the optical lens in the optical drive. Use a q-tip and some rubbing alcohol to gently rub the lens. Be very gentle, they are fragile. Let it dry, and try a game or movie.
If it's configuration you're wanting to do, you can type in the router's IP address into any browser's address bar. You can find your IP address by pressing start, typing cmd, and hitting enter. In the black dialog that pops up type ipconfig. The address to type into your browser is the Default Gateway. Once you type that in, it will prompt for a user name and password. The defaults are usually admin and password. From there you should be able to configure what you need to.
