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2 dead screen. but works on external
hi i have a faulty imac 27
the mac powers up ok and works on a external display useing the mini port.
however the lcd it totaly black i have used a flashlight but cant see anythink totaly black i have replaced the invertor board but it did not cure fault.
i have noticed theres 3 leds are on on the logic board.
anyone help.
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What do the LEDs show?
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