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MacBook Pro to HDTV digital audio problem.

1294 Views 1 Reply Latest reply: Oct 6, 2011 1:33 PM by eww RSS
Drew Troutner Level 1 Level 1 (40 points)
Currently Being Moderated
Oct 6, 2011 12:17 PM

I am trying to connect my Vizio HDTV up to my 2007 MacBook Pro, but am having trouble getting audio out to the tv. I'm using a DVI to HDMI cable, but obviously that won't send audio.

 

I purchased this cable from MonoPrice:

 

http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10229&cs_id=1022902 &p_id=1558&seq=1&format=2

 

I plugged the cable in to the back of the tv and into the headphone jack of my laptop, but there is no sound at all. When I go to the System Preferences under "Sound" and then "Output" it allows me to choose a device for sound output, but the only choice available is "Digital Out." Under "Settings for the selected device" it says, "The Selected device has no output controls."

 

 

Can anyone tell me what's wrong???

2.4 GHZ MacBook Pro, 15 in, 4 GB RAM, Mac OS X (10.7.1)
  • eww Level 9 Level 9 (52,975 points)
    Currently Being Moderated
    Oct 6, 2011 1:33 PM (in response to Drew Troutner)

    You are doing everything right on the Mac end of the connection. The message that "The selected device has no output controls" is to be expected, because when digital audio output is selected, the computer does not control volume, balance, tone, etc. — the device that receives the signal (in this case, your TV) controls them.

     

    On the TV end of the connection, you probably need to make some changes. First, check your TV's instruction manual to make sure you are using the right HDMI input port on the TV. If it has more than one HDMI port, there is probably a specific port you must use for video input if you are sending audio separately to the TV. Then you will also need to select your audio input port (the TOSlink port) somewhere in the TV's menu system — again, see its manual for guidance. Post back if you continue to have trouble or if these suggestions don't make sense in light of whatever the TV's manual tells you.

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