Remove the battery and unplug the AC adapter. Hold the start button for 10 seconds. Replace the AC adapter and try to start without the battery. Please tell us if it does anything, makes any sounds or any lights, thanks.
http://www.ifixit.com/Answers/View/17423/Failed+GPU+Apple+Program+or+Other+Repair
Remove the battery and unplug the AC adapter. Hold the start button for 10 seconds. Replace the AC adapter and try to start without the battery. Please tell us if it does anything, makes any sounds or any lights, thanks.
http://www.ifixit.com/Answers/View/17423/Failed+GPU+Apple+Program+or+Other+Repair
Remove the battery and unplug the AC adapter. Hold the start button for 10 seconds. Replace the AC adapter and try to start without the battery. Please tell us if it does anything, makes any sounds or any lights, thanks.
Remove the battery and unplug the AC adapter. Hold the start button for 10 seconds. Replace the AC adapter and try to start without the battery. Please tell us if it does anything, makes any sounds or any lights, thanks.