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HDMI Adapter

3237 Views 4 Replies Latest reply: Feb 8, 2013 11:03 AM by OnceThereNowGone RSS
jkratman Calculating status...
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Jan 17, 2013 6:34 PM

I just bought an HDMI MiniDisplay adapter for my Macbook Pro. Whenever I plug the hdmi cord into the tv the computer screen flashes blue, however nothing shows up on the tv. All it says is "Unsupported Signal. Please check output signal." Please can someone help me because I spent a lot of money on this thing. And don't bother talking about going to System Preferences>Display because I already tried that and it didn't work. I also tried using different input signals and it just says the same thing.

MacBook Pro (13-inch, Mid 2012), OS X Mountain Lion (10.8.2)

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