iMac mid 2010 monitor problems

Discussion in 'iMac' started by silentdea, Dec 10, 2012.

  1. macrumors newbie

    Nov 25, 2012
    Hi all,

    My iMac monitor turns on completely black and stays black for quite a long time. I can still change the volume and play my music through the keyboard, but there is nothing on the screen. This makes me rely on a external monitor.

    When I reset the pram and nvram, it temporally fixes it, but still I get this problem. Eventually my computer starts to blink and then completely turns black.


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