PowerBook g4 15 flashes white lines horizontally in the middle of lcd
I purchased this powerbook not to long ago on ebay listed as for parts I have managed to repair everything except the horizontal white flashing lines that come and go. I don't think its the logic board or GPU because when i connect it to external monitor no lines. I would be very happy if someone helped me out here please. I included a picture so you could see what it is I also replaced the lcd data cable but that didn't fix the issue
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