I need help with my xbox both of them have the red rings one has 3 rings and one has 1 ive done so many things to repair them ive done the x-clamp mod and did a 12v fan mod and nothing works ive tried to over heat the gpu and keep the cpu cold and then let it sit and cool for a half hour but still nothing!!!! ive done this to both of my xboxes and nothing seems to turn out good for me!!! ive even replaced the thermal paste. If u could give me tips i would appreciate it!! if nothing works i will buy a new xbox if u are selling one msg me i may buy a jtag also not sure yet please help!!!! microsoft is making me angry and psn blows so help!!!!!