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Display has 23 vertical columns with blue ladders. Won't boot into OS. 10.4 or install disk but will get to first install screen so I can run disk utility to find specs and do clean-up.
I can run Disk Warrior successfully but display has vertical hash marks even on the Apple start-up logo.
Any ideas on fixing? Costs for parts?
Has 10.4.3 installed.
PowerMac 12.1
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Here are two very good answers, one is mine: There are vertical lines in my screen..
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Loosen the screws on the bottom edge of the screen and remove the back. Examine the cans (capacitors for corrosion and/or bulging.
Yes, probably bad logic board.
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