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I am running Mint 19.3.

The sound on my computer comes from my screen (e.g. via the display port) instead of the speaker which is connected via jack.

I solved the problem doing a sudo alsa force-reload: after that, I have sound on my speaker. Now I would like to permanently have a solution without retyping the command at each startup.

I added alsa force-reload to my /etc/rc.local, but it doesn't work.

How can I launch this command at each startup (knowing that it requires sudo)? Or, is there another solution to fix alsa ?

Here are my alsa log, using alsinfo.sh just after startup, and just after force-rebooting alsa

Also, my /var/log/syslog file always contains these three lines on alsa:

Apr 10 13:11:15 GLaDOS pulseaudio[3206]: [alsa-sink-ALC1220 Analog] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write. Apr 10 13:11:15 GLaDOS pulseaudio[3206]: [alsa-sink-ALC1220 Analog] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Apr 10 13:11:15 GLaDOS pulseaudio[3206]: [alsa-sink-ALC1220 Analog] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
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Reset to default
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In MATE version there is a control 'mate-volume-control' accessible from the menu or Control center' or typed in terminal. There there is (normally) a box listing the outputs availlable, under the tab 'Hardware' (label translated from FR version 'Matériel' ) and 'Output' ('Sortie')

mate-volume-control

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  • Yes I've checked that. I'm using cinnamon version, there is also a 'sound' panel in the system configuration. However, just after startup, it indicates only one output ("DisplayPort 3 HDA Nvidia", i.e. the screen speakers). After alsa force-reload, it indicates three output : screen speaker, motherboard jack (the one I want to use) and the tower front panel jack (that I use sometimes for headset), and I can correctly switch between them Commented Apr 11, 2020 at 20:35
  • Well, sorry. I cannot suggest more, only made some search with google with the information of sound card ('hardinfo' or 'inxi -A' ) and Mint version. Good luck ! Commented Apr 13, 2020 at 7:41

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