I fixed the 0001, it was just the DVD drives power cable. I tried to open the drive, and it wouldn't so I wiggled the cable around, and it worked when I rebooted it. But now it's back to the 0020. I'm not sure if I found a missing resistor? It apears as if there are two missing under the GPU. The picture was taken with the ethernet, power and A/V slots facing me (so the bottm of that picture). I circled where they apear to be missing in red. Have a look: