How to fix 3 lights for Xbox360?
 

My friend got 3 lights but we can't send any console for Microsoft because we don't have contact Xbox Customer Support directly on my country.is there way to fix it my self?

THERE ARE... FOUR LIGHTS.

Apply thermal paste.

Open the Xbox up, take off the heatsink, and apply a liberal amount of new thermal compound. Most problems are caused by overheating, and by fixing the oftentimes faulty installation of the heatsink will fix it right up.

also me too I got 3 red lights for my xbox360 but when happen I remove AC cable and wait 5 to 10 sec then plug AC cable again,will my xbox360 working again but how prevent to happen in future?maybe I'll buy Intercooler 360,I hope to prevent show 3 red lights

The problem was been unofficially stated at a heating problem. Do as the above forum members have suggested.