i got my xbox last christmas from walmart, and up until about 2 weeks ago it worked fine. then at the startup (when you turn it on and the little green blob is floatin around) instead of being regular green, its multicolored, like oil on the ground. my friend said the same thing happened to him and to get new cords, well i borowed his cords and it still does it. but i know its not my tv cuz my GC works fine. anyone else has this problem?  HHHEEELLLPPP!