I had the same problem (light momenteraly turned on and off after a second) and I was reading through the posts. I followed the instructions but nothing. But I think I have the solution. I press the on button on the controller and the then I kept pressing the on button on the console repeatedly(it might take 30 second or more) and it actually turned on after a bit. The first time it gave me the green screen but that is not a problem. Shut it down and do the same thing again. Once it turns on, take out the disk and press the controller connect button on the side and the connect button on the controller. After that wait for a couple of minutes and the console will leave the green screen and turn on.