may be like rousp said the fans are not working or u need to take it apart an use some computer cleaner,duster,my old 360 did that it was the xenon chip now i have the falcon chip one it works well but the disc tray wont open some times i have to use contact cleaner on it but a few days later same prob i tap on the top to get it open,good luck there a pain to take apart all the screws an the removal of top an bottoms a pain it takes time an some skill.