Question about Apple Cinema Display 23" HD Monitor

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Apple 23" Cinema HD Display went off

Hi bro,
Last week, my monitor (Apple 23" Cinema HD Display) just went off while I'm working without saying a word..No sign of power back after I tried to unplug everything and put it back, also no hope when I bring it to the Genius Bar at Apple Store and tried another power brick. It's just happened a few day after the limited warranty day is over. I was so frustrated when Apple has giving a ridiculous cost for the repairs (~$400). 
Any suggestion from experts? Thanks a bunch!

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  • o1craig Sep 28, 2008

    When my G5 melted down due to the infamous coolant it took out the PCU, both processors, the logic board and my 23 " cinema display. Same symptom as yours, no image. When I plugged the display into my G4 laptop the computer could detect the display but no image. I took it to Apple and got the same 400$ repair estimate. I read that an inverter board is available for 100$. Anyone with experience taking the monitor apart and effecting repair would be appreciated. I'm also into paying  someone repair it but I'm not in the mood to give Apple any business at all.

  • DanNation Feb 19, 2009

    I have the exact same problem and had the exact same repair quote from the Apple Store. I am having our engineering lead at my work take a look at fixing it - if it's just a logic board or inverter board problem, may not be too bad to fix.

    In the meantime, I just bought a 23" Samsung HD 1080i monitor at Best Buy for $250. I figure it will serve me in the interim, and if and when my Apple Cinema HD is up and running, I can return it.

    I'll let you know how it goes - please let me know any reasonably priced solutions that you find for yours.


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Hey - I just got done with 30 minutes of trying my cinema HD on my macbook pro and plugging and unplugging. When I plugged it into an extension cord in another socket the monitor started right up. I've had this configuration in my office for years with no problem...until today. Did mac send us a system upgrade that caused a problem with the monitor's power source???? Good luck!!!!

Posted on Jul 20, 2009

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Had this problem also with TWO Apple Cinema displays. Both were connected to an SGI-- one went out and then the other. No LED light or image. Connected to my MacBook Pro and the same behavior, though I noticed that both displays were "detected". Based on I tried unplugging the displays from my UPS and straight into the wall socket. They worked, but I have no idea why?? (Everything else on the UPS is working) Something wrong with the power converter in the Cinema Displays??

Posted on Jul 08, 2009

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This sounds like your backlight has gone! they should last 50000 hours (i think) but can go at anytime! need to open it up! my advice is ebay it!

Posted on Jan 11, 2009

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Posted on Jan 02, 2017

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Hello there!

It's fortunately quite easy to adjust the resolution your MacBook Pro sends over to your external display.  Try this:
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Hope this helps!

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