It seems pretty random. Sometimes there is not even a detection of an audio device after reboot. Other times I can hear the drums at bootup but there is no sound while using the system. I am able to see the device in the settings menu however. But I cannot play a test sound either.

This is what I tried so far:

  1. Force reload Alsa by sudo alsa force-reload reboot.
  2. Reinstalling Alsa and Pulsaudio by

    sudo apt-get remove --purge alsa-base pulseaudio
    sudo apt-get install alsa-base pulseaudio
    sudo alsa force-reload
  3. lspci -v | grep -A7 -i "audio" shows:

    00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)
        Subsystem: Dell Device 0786
        Flags: bus master, fast devsel, latency 32, IRQ 16
        Memory at d1228000 (64-bit, non-prefetchable) [size=16K]
        Memory at d1200000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
  4. aplay -l shows:

    **** Liste der Hardware-Geräte (PLAYBACK) ****
    Karte 0: PCH [HDA Intel PCH], Gerät 0: ALC3246 Analog [ALC3246 Analog]
      Sub-Geräte: 1/1
      Sub-Gerät #0: subdevice #0
    Karte 0: PCH [HDA Intel PCH], Gerät 3: HDMI 0 [HDMI 0]
      Sub-Geräte: 1/1
      Sub-Gerät #0: subdevice #0
    Karte 0: PCH [HDA Intel PCH], Gerät 7: HDMI 1 [HDMI 1]
      Sub-Geräte: 1/1
      Sub-Gerät #0: subdevice #0
    Karte 0: PCH [HDA Intel PCH], Gerät 8: HDMI 2 [HDMI 2]
      Sub-Geräte: 1/1
      Sub-Gerät #0: subdevice #0
  5. pactl list short sinks shows:

    2   alsa_output.pci-0000_00_1f.3.hdmi-stereo    module-alsa-card.c  s16le 2ch 48000Hz   SUSPENDED
  • the random issue, I already know that but with my touchpad, I never find what was the problem on it – damadam Jun 19 '18 at 9:14
  • Does this occur on a dual-boot set-up with Windows? Some audio chipsets are known to not work in Linux if Windows is in hibernation. – David Foerster Jun 19 '18 at 10:08
  • No dualboot. Only Ubuntu 16.04. I always had problems with my headphones. Plugging in headphones led to system crash. But all of a sudden I can't hear any sound at all besides the drums at bootup. – Zwenn Jun 19 '18 at 16:14
  • Yesterday it even worked again for a short moment after several reboots. But it was pretty quiet then and I couldn't change the volume. – Zwenn Jun 19 '18 at 16:22

You should open a terminal by pressing Ctrl+Alt+T and type:


If you press the F6 key you should see the sound card (If action keys are enables in your BIOS/EFI firmware you might have to press Fn+F6)

you will now see 3 options:

  • (default)
  • 0 HDA Intel PCH
  • enter device name

[Note prom editor]: unclear what you're trying to accomplish here. Please adapt this section if I press esc key and then look into the system information I hold function the fn key and press f2 I can use the arrow keys to look at the /proc/asound/cards pressing return/enter I see two lines of information.

It could, if you write these two line into the text input with that device name in fn f6 select soundcard.
[End note]

Then exit alsamixer and type:

sudo apt-get update   
sudo alsa force-reload   
  • Thanks for your advice. Seems like there is nothing clicked off here. Tried to disable the auto-mute-mode but that didn't do anything. – Zwenn Jun 19 '18 at 16:18
  • Nope. This doesn't work for me. If I try to enter the two lines: HDA-Intel - HDA Intel HDA Intel PCH at 0xd1228000 irq 282 into the device name field I akways get the error : File or folder not found. – Zwenn Jun 20 '18 at 14:09
  • Plutesci Could you please review my edits and also review the editing help to improve the readability of your questions in the future... ;-) – Fabby Jul 1 '18 at 10:04
  • Fabby is that it?, I'm new here so not 100% sure on how to do that. – plutesci Jul 1 '18 at 20:57

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