I just installed Ubuntu today. I'm testing everything out and it seems pretty cool so far. There's just one big problem. The audio suddenly stopped working. It worked just fine when I first installed the system, but it has stopped for no reason that I can determine.

I don't like to use proprietary software (though I will if I have to), so I removed these packages: firmware-crystalhd nvidia-libopencl1-331-updates nvidia-opencl-icd-331-updates. But they don't appear to be the problem, because reinstalling them didn't fix the problem.

I checked alsamixer, and it looks rather different from what I'm used to: http://i.stack.imgur.com/qF6iW.png

The "Sound" settings in the system settings aren't too helpful, but here's another screenshot just in case: http://i.imgur.com/W65OLMd.png I can't move the slider, and there's no sound devices listed.

  • In alsamixer, you see HDMI soundcard, (press F6 to access the 2nd soundcard) .
  • If soundcard order has changed, install pavucontrol (pulseaudio volume control) , go to "output device tab" and set 2nd soundcard as default with green button.
  • This doesn't work. The "output devices" tab doesn't list any output devices. If I play audio, there's a "dummy output" device, but no sound plays. – EMBLEM Nov 17 '14 at 16:55
  • In alsamixer, do you see 2 soundcard pressing F6 ? what is the result of this command `aplay -l`` – laugeo Nov 17 '14 at 18:35
  • Yes, I do see 2 soundcards pressing F6: "HDA Intel HDMI" and "HDA Intel PCH". $ aplay -l outputs this: privatepaste.com/63ee9d659d – EMBLEM Nov 18 '14 at 0:59
  • So alsa layer is ok : try to reset pulseaudio config like askubuntu.com/questions/475450/… ( the first answer) – laugeo Nov 18 '14 at 8:21
  • Never mind, I gave up and reinstalled the system, and it all works okay. – EMBLEM Nov 18 '14 at 17:09

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.