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Skype for business no audio device?

If you want to use Skype for Business/Lync to just listen to a training session or presentation on a newer computer, you might get an error saying Skype/Lync is unable to connect because no audio device could be found even though your computer may well have working audio and speakers.

[the problem]


[the solution]

The simplest fasted solution is to grab a pair of headphones and plug the headphone jack into your computers microphone jack. Doing so will fool Skype/Lync’s auto detect feature into believing that a mic and speakers are connected. The error will go away and you’ll be able to use your computer to listen to a training session. Unless you got headphones with a mic built in, the mic won’t work, but you’ll be able to join your conference/training and listen only.


Another solution is to fudge around with the registry per this TechNet article: http://blogs.technet.com/b/11/archive/2014/09/23/lync-2013-explained-no-audio-detected.aspx

That’s it.

September 2, 2015

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11 comments found

Comments for: Skype for business no audio device?

  1. Timothy

    Thank you so much for posting this. I’ve been going nuts trying to figure out this exact issue on a Business Desktop. The user has internal speakers and just wants to be able to listen to the conference and see the video. Will try the Registry fix at a later time.

  2. LL

    Thank you so so much. Plugging into the mic jack worked! I was going totally nuts too!! And even if I can’t speak in the meeting, at least I can instant message.
    5 Stars!!! Thank you!!!
    Stupid Skype.

  3. LL

    I tried speaking into the headphones plugged into the microphone jack and they worked as a microphone so I could talk in the meeting as well.

  4. CS

    Has anyone figured out the registry fix yet? I have multiple machines with this issue and need to fix them all. Can’t just plug something into the microphone jack for them.

    1. CS

      They are all Dell Optiplex 9020’s btw

  5. Jono

    This may not be a Skype issue, rather the hardware detecting if a headphone/microphone is plugged in or not. We had a similar issue play YouTube videos (or rather they didn’t until we plugged in headphones. There was a registry key that fixed the detection for the Realtek sound cards we have (It looks like the Dell’s use Realteks as well):

    There may be a third party application that allows the detection to be disabled (such as Realtek HD Audo Manager -> Connector Settings [small spanner at bottom right] -> Disable front panel jack detection). Or the registry:

    Update EnableDynamicDevices to zero

    Depending on the version of the driver, the registry key may be somewhere else.

    1. Post author: 
      David Vielmetter

      Yes you are correct. This is in fact a driver issue with Realtek and others. Thanks for sharing your workaround.

  6. Sumit V

    many thanks!! this worked like charm… saved unnecessary dialing from phone..

  7. Deborah Werner

    Thank you very much! It worked for me.

  8. Paul Grace


  9. Jimo

    Go to your audio settings/microphone and choose the right microphone as your default device.
    That solved the problem for me.
    There was “Stereo mix” as default that fucked the whole thing up.

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