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PowerBook G4 lines in internal screen

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I have purchase recently a PowerBook G4 with internal screen problem as you can see from the pics.When connected in external monitor works fine.The seller told me that if I hit it around the speakers the picture comes back...

Is it fixable the problem or not?Thanks!



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Loose,damaged,bad video cable? Does tapping around the speaker fix the screen?


Working in the LCD panel is not something I would want to do so you would need to replace the whole panel assuming the graphics chip isn't messed up then you need a new laptop.



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If the picture looks okay on an external monitor, it’s definitely not the GPU. If the picture comes back when you tap around the speaker, you likely have a bad/loose video cable.


Be careful when removing the top casing! Those tabs by the optical drive slot are a pain. 

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