Question about Apple PowerBook G4 Mac Notebook
After something like a short circuit in the firewire port, the lcd backlight suddenly turn off and never came back. Fuse problem ?
It could be a microfuse, which is about impossible to repair. You should test the computer on an external monitor and then, when it works fine (which it probably will), you can either find a place on the internet that will fix the motherboard or you can replace the motherboard. I haven't been able to fix any of these dark screen problems in Macs, because it's usually a microfuse or the video card that goes out. I don't think it's as simple as a backlight or inverter board, which are really robust in these laptops and rarely (never in my experience) the fault.
Posted on Feb 26, 2009
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Posted on Jan 02, 2017
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