Question about Apple M8536 23" LCD Monitor

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M8536 Display not allowing computer to boot, black screen with blinking powerlight, 2 short one long then long pause and cycles again

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  • notrude Jan 20, 2009

    no, I've made no changes. I had a 20" and the 23" running together with no problems, considered using just the 20" and sellling the 20, so I disconnected it, couple of days later hooked it up again with the computer powered down that's when problem arose.

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  • Apple Master
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Have you updated or changed anything recently

Posted on Jan 20, 2009

  • DEKR
    DEKR Jan 20, 2009

    okay have you made sure you plugged it in properly

    do you have a motherboard cd

    if not thats okay

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