In 2012, Sony Entertainment announced that the company would be releasing a new version of its 2006 Playstation 3 console. The new console is call the Playstation 3 Super Slim and is identified by the model number, CECH-4000. The PlayStation 3 Super Slim (CECH400x) is the third version of the PS3 video game console produced by Sony Computer Entertainment. It was released October 25, 2012.
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.