first off my xbox doesnt have a mod chip, just a 120 gig harddrive with evo on it

So i was playin a game on it about a week ago, and the next morning I turned my xbox on and it starts up, then turns of, trys to start up again, then turns off again, then just starts flashing red and orenge...well i tryed everything to fix it, so i just said aw hell and shut it down, and unpluged the power

well today i pluged in the power, and the xbox started fine and normal....then about 5 minutes later it went to this wierd all red screen while sitting in evo, so now it dont work again....does anybody know what it might be...oh and i also have a thompson drive...bah...how can i fix this

anybody?

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