Weird beeping noise through my monitors

Discussion in 'OS X Mountain Lion (10.8)' started by Alexandern, Aug 8, 2013.

  1. macrumors newbie

    Joined:
    Aug 8, 2013
    #1
    Hi!

    I've got a macbook pro which I'm using an external audio interface with x2 studio monitors, I'm also monitoring my mac to a screen with the HDMI mac converter. The beeping noise stops when I plug the HDMI converter out, but i would very much want to monitor my mac on a big screen and be able to listen trhough my monitors without this terrible beeping noise :)
     
  2. macrumors 6502a

    Mr Rabbit

    Joined:
    May 13, 2013
    Location:
    'merica
    #2
    Does the beeping increase/decrease as you change the volume through your Mac?
     
  3. thread starter macrumors newbie

    Joined:
    Aug 8, 2013
    #3
    i have an external audio interface so i can only turn up the volume from there. The beeping does however not increase if i turn it up, though if i turn the volume on the monitor it increases...
     
  4. macrumors regular

    Joined:
    Feb 7, 2013
    #4
    Just because you have an external audio interface doesn't mean your internal interface is disabled. Go to System Preferences > Sound >
    Output > Internal Speakers. After selecting the internal speakers adjust the output volume to 0 and then switch to back top your external interface.

    There could be an app somewhere still registered to use the internal card, a lot of DAW's manually control which card to use for whatever purpose you see fit.
     
  5. thread starter macrumors newbie

    Joined:
    Aug 8, 2013
    #5
    Did not work :/ i turned down the internal volume to 0 and then restarted my external audio interface and it still beeps :/
     
  6. macrumors newbie

    Joined:
    Nov 16, 2014
    #6
    Same problem

    Hi! Sorry for pushing this old thread but I have exactly the same problem since I am using my MacBook in the studio, and not my old Windows PC any more.
    I am using Yosemite of course, but as I said it is exactly the same problem and also the noise/beep only disappears when not having a screen plugged in into the thunderbolt interface. I tried it with 3 monitors, 2 of them are LCDs, the other one is a new LED one.
    I also tried two different adapters: One is from thunderbolt to DVI, the other one from thunderbolt to HDMI, but the problem occurs everytime. When I am using my audio interface (M-Audio Mobile Pre MKII) via the Mac only the whole studio setup works fine, but with an external screen I didn't find any solution so far, although I already changed some cables, tried a lot of things within the systemsettings, drivers etc.

    Does anybody have some more hints or is there already a solution? That would be great! Thanks in advance!
     

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