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Mini-DVI to HDMI...no sound

27312 Views 7 Replies Latest reply: Jun 1, 2010 7:33 AM by Archieismydog RSS
SV7 Level 1 Level 1 (5 points)
Currently Being Moderated
May 25, 2010 7:19 PM
Hi There!

I have a Mini-DVI-HDMI adapter hooked up to my LCD TV, the display is great, but there's no sound from the TV. Anyone know how to fix this?

Thanks
Black MacBook 2.4GHz 4GB Ram, Mac OS X (10.5.8)
  • Jay Bullock Level 4 Level 4 (3,800 points)
    Currently Being Moderated
    May 25, 2010 7:50 PM (in response to SV7)
    You will need to run sound from your MacBook's audio port to an audio in on your TV. The minidisplayport does not send sound, only video.
    Aluminum Unibody MacBook, Mac OS X (10.5.8)
  • Jay Bullock Level 4 Level 4 (3,800 points)
    Currently Being Moderated
    May 25, 2010 7:58 PM (in response to SV7)
    I believe a regular aux audio cable will work fine.

    Of course, I don't use such a setup, so I can't speak from experience.
    Aluminum Unibody MacBook, Mac OS X (10.5.8)
  • Tom Lagden Level 1 Level 1 (110 points)
    Currently Being Moderated
    May 27, 2010 3:06 AM (in response to SV7)
    Hiya i'm about to do the exact same thing (as in buy a new Acer LED screen) with the cables and am under the impression that the sound won't work with the in-buildt speakers on the LED screen unless I get this cable.

    Did it work for you both cable set up and the sound?

    Thanks
    Imac G5-1.8ghz processor, Mac OS X (10.3.x)
  • SamAdam1 Level 1 Level 1 (0 points)
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    May 30, 2010 5:08 AM (in response to Tom Lagden)
    I am trying to send the picture/sound to my TV. I have the Mini DisplayPort to DVI adapter and then a DVI to HDMI cable for picture and then a standard headphone to red/white (RCA?) for sound. The picture works great, much better than the S-Video cable on my PC. The sound won't come through at all though? Any ideas? When I unplug the cable for sound form the computer it plays through the computer and as soon as I plug it in nothing.
    macbook
  • Archieismydog Level 1 Level 1 (5 points)
    Currently Being Moderated
    Jun 1, 2010 7:33 AM (in response to SamAdam1)
    I am having exactly the same problem. I think it is because since HDMI is traditionally for both audio AND video, the HDMI channel on the TV only outputs audio coming in through the HDMI cable. However, we are only feeding video through it, hence no sound.

    The AUX input on my TV is linked to the DVI input, so there is a channel on my TV that will play both video from DVI and audio from AUX at the same time, but there is no channel on my TV that will play video from HDMI and audio from AUX, and I don't think I can change the settings to create one...

    Of course, the easiest way for me to connect my macbook up would be mini DVI to DVI, since, as I mentioned earlier, I have a DVI input on the TV which is linked to an AUX input. However, I simply cannot find a long enough mini DVI to DVI cable for this option to be at all practical.

    I'm a bit stumped to be honest...
    Macbook (Mid 2007), Mac OS X (10.6.3)

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