When i turn on the display is so dim i can barely see the apple and fonts at all. When i tap brighten + button display gets bright for a second, then fades out to black again. I thought video card or logic board needs replacing. Dent in lower right corner indicates it was dropped at some point
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Move the screen back and forth to see if it is the inverter cables. If yes, replace the inverter cables. Nothing? Replace the inverter, here's how:
PowerBook G4 Aluminum 15" 1-1.5 GHz Display Inverter Replacement
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To me this sounds like a back light issue it could ether be a loose connection or the back light itself has gone bad
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