Dmm Call of Duty: World at War "funny" Questions

...at war wont load bought game at xmas, worked perfect till last week, wont load now,trys then makes funny noise.. went out bought new copy, same thing happened, rest of me games work perfect... I had ...

...18 mths ago and after only 6 weeks of use it did exactly what yours seems to have done, it made a funny noise and the game dropped out and every time I put a game or movie in it just wouldn't ...