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Macbook Pro Retina won't drive HDMI out

-0001-11-30   Views:0

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So I was talked into the new MacBook Pro Retina in place of a new Mac Pro by the guys at the Apple store.  I told them I needed to drive 4 displays and they assured me the MBPr would do that.  2 from mini display ports.  1 from HDMI and it's own disp

So I was talked into the new MacBook Pro Retina in place of a new Mac Pro by the guys at the Apple store.  I told them I needed to drive 4 displays and they assured me the MBPr would do that.  2 from mini display ports.  1 from HDMI and it's own display.  Fair enough.
Only, the HDMI out seems dead.  I am running two Dell monitors on the mini display to DVI connectors.  I am trying to run a 3rd Dell monitor on HDMI to Disply port but am getting no signal.  None.  Nada.  After a few seconds the monitor tells me there is no signal from the computer and it shuts down. 
I have seen a lot of other issues around the HDMI output.  Anyone know the status?  Has Apple bugged this?  Is there a fix in the works?
Thanks!
Charles

The replay answer
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Try with just the HDMI external; display. I would suspect the HDMO cable if this test does not work. Tray a new HDMI cable. If the new cable does not work, take the computer to an authorized service center. There is no "bug" using HDMI to an external monitor.

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