Carboy7 Posted May 2, 2016 Report Share Posted May 2, 2016 (edited) I have a PowerBook 520c and there was a bit of a problem with the display where if you poke the display in the right place, the contrast will bug out. Sometimes if you hit in the same spot again, the display will become readable, but unstable. Basically, it goes from unreadable bright, to unreadable dark, to unstable dark, and then basically flicker. I have saved a 520c from the depths of a neighbor's garage! Are you happy now? Edited May 2, 2016 by Carboy7 Quote Link to post Share on other sites
MikeatOSX Posted May 2, 2016 Report Share Posted May 2, 2016 Maybe the reason is one of the electrolytic capacitors on the inverter board? Quote Link to post Share on other sites
Carboy7 Posted May 2, 2016 Author Report Share Posted May 2, 2016 Not sure. Can anyone provide a picture of the board or anything electronic that may reside behind this plastic panel? Quote Link to post Share on other sites
MikeatOSX Posted May 3, 2016 Report Share Posted May 3, 2016 http://tim.id.au/laptops/apple/powerbook/powerbook_500_series.pdf Quote Link to post Share on other sites
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