What causes my xbox red ring of death?

I live in san francisco and i am in hong kong right now , and i want to play with my friends on the XBOX, so i put it in the luggage and bring it to hong kong, but right now i cant start it, it won't starts and gave me the three red rings. I press the eject button but the disc tray only came out half way, so... show more I live in san francisco and i am in hong kong right now , and i want to play with my friends on the XBOX, so i put it in the luggage and bring it to hong kong, but right now i cant start it, it won't starts and gave me the three red rings. I press the eject button but the disc tray only came out half way, so what causes the ring????
6 answers 6