PEE ON IT AND IT WOULD FEEL BETTER
you have to take it to a electranic shop to get it fix if it is a red ring you can't fix
It depends what is wrong with it. You also could send it back.
call 1800 4my-xbox. they will fix it for FREE - CORRECTION - They will fix it for FREE only if it is still under warranty. If not, they want $100 just to look at the thing.
If you have a Vizio tv than make sure the cords are plugged in on the same side. Or check for dust in your hard drive.