Ok, So every time I start to play a game, no matter if it is online or campaign mode my system **** down on me. No matter if it is connected or not connected to my cat5 cord. The system will run for an hour idle, but if I go into a game and start to play (both MW2 or CTD) it shuts down. So I said *** it and got a system from a buddy of mine who didn't need it anymore and hooked it up at my house. Now his system is doing the same exact thing mine was doing. I changed the following.. Different power cords, different xbox 360 systems, different controllers, different power plugs at the house, different games, on the internet off the internet, and different poster supplies for the controller. the only item I cannot change due to lack of having 2 of them was audio, video cables, however could these even remotely have a chance of shutting a system down only when playing a game. I am ready to through them out the window. Can anyone give me and idea? When i say the system shuts down, the first time I pull the trigger or try to move it completely shuts powers down. even with a different xbox. I have no idea what could be causing this. I have changed every variable but the actual tv itself, and the A/V cable. Please help! thoughts? O'yea, I get no red rings or any warnings..