Q: when i turn it on 3 red lights blink is it over heating or something. how much will it cost to repair.
A: you got the rings of death send it in and they might give you a refund if ur under warrenty or try hitting it sounds stupid but i did that and it worked for about three months or so before it broke agian. heres a good site http://en.wikipedia.org/wiki/Xbox_360_technical_problems