hi guys thx for looking at my problem,i bought a faulty xbox v1.0 and stuck a x2.6 mod chip in because the drive kept coming up disc is dirty or scratched, thinkin i would just put new drive in the chip is installed correctly i know this for a fact no need to worry about that.But now i have found a new problem when i switch it on and start playing a game it freezes and makes horrible screching sound but when reboot the box its fine again not sure if its a faulty board or possibly hard drive please help its for xmas prezy thx a lot 