Question: How do I obtain an error code on a broken Xbox 360 that can't output video?
Option 0: Turn on the console, hold down the controller sync button on the face of the console, then hit the eject button three times. The lights on the power button will flash the codes.
Option 1: Turn on the console, hold down the controller sync button on the face of the console, then hit the eject button three times. This will temporarily allow video output long enough to display the code.
Answer: 0