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Paul Bowe
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My screen flickers permanently.

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My screen flickers regardless of resolution setting. after opening from the closed position it sometimes works for some tens of seconds but the the flickering starts and is unbearable. I am currently using an external screen with and RGA cable which works fine. it is is ugly and defeats the purpose of a sleek compact computer.

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mayer
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This sounds like your CCFL LED tubes are going out. Time for a LCD replacement. Here's how: Installing PowerBook G4 Aluminum 15" 1-1.5 GHz LCD

Here's some options on the part: G4 Aluminum 15" LCD Panel

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