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Dual Display Help

117 Views 1 Reply Latest reply: Nov 9, 2012 4:14 AM by dwb RSS
Sarah.Evans2013 Calculating status...
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Nov 8, 2012 10:51 PM

My Dual Display randomly stopped working. It worked fine before, then all of a sudden I connected my Mini Displayport Cable/HDMI cable to my TV and my computer screen went blue, but nothing happened. I also have no option in my system preferences -> displays menu for dual displays/multiple display option - I simply just have "Display/Color" tabs at the top (I also have my 'mirroring options' box checked). I have restarted and shut down the computer (as well as tried just about every combination with plugging in/powering off my TV, which I am using as my second display) and checked that I have all of the current updates on my software - I reinstalled it, too). Any suggestions on how to fix this?

MacBook Air, OS X Mountain Lion (10.8.2)
  • dwb Level 6 Level 6 (19,675 points)
    Currently Being Moderated
    Nov 9, 2012 4:14 AM (in response to Sarah.Evans2013)

    You've done all the relevent troubleshooting (reinstalling the OS probably was over the top though). I suspect the cable. Do you have a friend who was a computer with the MiniDisplay Port or are you close to an Apple store? If you can check the cable before going to the expense of getting a new one that would be good.

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