Ok here's the full story. I attempted an hdd led mod, fucked it up. Bought a new hdd on ebay. Then I realized I cant use this new official hdd, because it wont be locked. So I bought a modchip a chameleon. Then I botched the install. and bought a new motherboard after my friend's dad tried to fix it. Now I have a new motherboard, that I bought from a guy who messed up the tsop, he said it'd work if I had a modchip, but now it's still fragging out. I believe it to be either the modchip, i.e. bad or no bios. Or the power supply like someone suggested. Please someone help. I've sunk too much money into this now. It's getting to be that I might just buy a new xbox, but I don't have 180 bucks either.