Hey Scotty
When I try to burn disc off iTunes it's making a terriable grinding noise?

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Sounds definately like a hardware problem. Most likely something is bent or jammed inside. Or the drive itself could also be dead. I'd be happy to resolve it for you if you wish. However, I would most likely need to diagnose it before ordering the correct part. If it's under AppleCare the apple store should cover it, barring any accidental damage. FYI: Every Apple computer comes with a one year warranty and AppleCare extends that warranty for three years total from time of purchase. You have to purchase AppleCare within the first year for it to extend.