iMac 2008 Screen Won't Turn On

Discussion in 'iMac' started by legaleye3000, Apr 24, 2011.

  1. legaleye3000 macrumors 65816

    Jul 31, 2007
    Today I turned on my iMac and the display won't turn on. Not even a blank screen. I tried resetting the pram and smu by unplugging the computer for a minute.

    Any suggestions? Thank you.
  2. hhaydenn macrumors regular

    Apr 18, 2011
  3. Cmd-the-World macrumors regular

    Apr 7, 2010
    Which iMac do you have the 24" or the 20" iMac?

    Do you know if the iMac has the 8800 graphics card?

    I am asking because the 8800 has an extremely high failure rate. There are numerous threads in this forum about the 8800 failing after 2-3 years. There isn't much you can do if the graphics card is dead as a number of people had to repair the logic board and the graphics card about 3 times. :(
  4. legaleye3000 thread starter macrumors 65816

    Jul 31, 2007
    Actually it's a 2007, so the graphics card is a ATI 2400

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