...hard drive? I have a problem with my xbox 360 Console it is a refurbished xbox with a 20G hard drive; when i tried to play my dead rising game it worked until after the first level where you take the pictures on the helicopter then it said unable to read disc then when i tried to play halo 3 it worked just fine on custom games and forge but when tried to play a campaign game it said unable to start game every time i played my GTA 4 game works fine and all 3 games worked just fine on my cousins and my friends Xbox please help!