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Macbook doesn't register TV

Hi,


I am trying to connect my mid-2010 Macbook Pro (running version 10.9.4 of OS X) to a brand new Magnavox TV. I am using an HDMI cord and a mini DisplayPort, both of which have worked in the past. When the TV is off, my computer recognizes the external display. However, as soon as I turn the TV on, my Macbook no longer recognizes it.


Any thoughts or ideas?


Thanks!

Posted on Jul 13, 2014 2:59 PM

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Macbook doesn't register TV

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