when i start up my xbox it shows 3 red lights, and says its error code E73 im wondering, is there anyway to fix this problem? or will i need to buy a new xbox? my friend said it maybe was the power source or it was too hot. I think it might be too hot cause last night when i was playing it i turned it off and my sister (who also plays on it) said that she thought it felt hot. anyway can i fix this?