switching sound output to external device

Discussion in 'Mac Basics and Help' started by manyrains, May 2, 2009.

  1. manyrains macrumors member

    Oct 12, 2008
    I have Mac Pro with Digidesign/ProTools interface connected. I sometimes switch sound output from MP to run through the digidesign hardware. I'm getting message right now saying "selected device has no output controls", not allowing me to switch. I rebooted with the interface already turned on. I've run into theis before- can't figure out what causes this to happen. Sometimes it's OK. ?
  2. mcavjame macrumors 65816


    Mar 10, 2008
    phased to this universe
    That just means you cannot adjust the overall volume or balance with the system sliders. All adjustments have to be done at the device.
  3. manyrains thread starter macrumors member

    Oct 12, 2008
    I wasn't getting sound, like it was wasn't allowing me to select the device. I just thought the fact that it said no output control was the identifying difeerence between that and my line out. But now I am getting the sound. Not sure what's different, but it's working.
  4. right2niru macrumors newbie

    Jan 23, 2010
    macbook switching to external audio

    I am seeing the same issue with my macbook with snow leopard, let me know if there is any resolution on the same -
    when i restart of course it works , but not otherwise .

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