Aporte original por: mac605

Texto:

remove as much RAM as possible,
unplug all unnecessary devices (USB/FW etc)

find and use CUDA button http://support.apple.com/kb/HT1939

If this not helps remove battery for some time (ie 1h) then place it again

If none of this help, I'm afraid that you have a hardware problem :(

Estatus:

open