ok heres my story i had some issues with my xbox recognizing my 250GB , that problem is solved. but i think somethign went wrong inteh processs of always rebooting my xbox during the buyild stage or trobleshooting . now i able to play games but i have a solid red light ( over heating issues i think ) now my dilemmas has become that it wont boot up at all i get teh xmas light now meanign mother brd issue. i also notice when i plug in teh power cord it makes a clicking sound liek a short opr surge issue. my question to yah is . were shoudl i begin . new power supply or heat sinks ?i knwo is not my mother brd cuz im able to boot it up with the eject bottom but doesnt go to my HDD .....