Xbox 360 "3 Red lights" solution------sort of......
Possible solution to the 3 red lights
There is a way to determine the specific type of hardware failure that your 360 may experience by "inserting" a "hidden" error code. To do/try this, firt turn your xbox 360 on, and wait till the 3 red lights are flashing (if your console is faulty of course).
Here you can download the word document that shows and explains how this works:
And here is an example of how this works using my own 360: