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this is the first time I am posting here but I am kind of desperate.

I don't have any more sound on my laptop, only "Dummy output" whereas it was working fine yesterday. I tried several methods, uninstalling and reinstalling alsa and pulseaudio then force reload, stop win10 from hibernating, literally everything I could find on the internet. Here are some unsuccessful solutions I tried :

I have a dual boot Win10/Ubuntu 18.04. Here are some information that could be useful for you : 

wob@hp-envy:~$ inxi -SMA
System:    Host: hp-envy Kernel: 5.3.0-42-generic x86_64 bits: 64
           Desktop: Gnome 3.28.4 Distro: Ubuntu 18.04.4 LTS
Machine:   Device: laptop System: HP product: HP ENVY Laptop 13-aq0xxx v: Type1ProductConfigId serial: N/A
           Mobo: HP model: 85E2 v: 29.27 serial: N/A
           UEFI: Insyde v: F.08 date: 08/15/2019
Audio:     Card Intel Device 9dc8 driver: snd_soc_skl
           Sound: Advanced Linux Sound Architecture v: k5.3.0-42-generic
wob@hp-envy:~$ inxi -SMA | cs
wob@hp-envy:~$ alsamixer 
cannot open mixer: No such file or directory
alexis@hp-envy:~$ pulseaudio 
E: [pulseaudio] pid.c: Daemon already running.
E: [pulseaudio] main.c: pa_pid_file_create() failed.

If you have any idea of a process to find more information about what is wrong and/or how I could fix this, please help me. Thank you !

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1 Answer 1

Reset to default
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I found the solution.

sudo gedit /etc/modprobe.d/alsa-base.conf

Add the following line to the end of this file:

options snd-hda-intel dmic_detect=0

Save and close the file and reboot your system. You should have the audio back.

Reboot

Regards

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  • Thanks for yout answer, unfortunately it didn't work for me. I still haven't found a solution, I am sadly considering reinstalling ubuntu. Regards
    – Wob
    Mar 23, 2020 at 17:52
  • Did you manage to fix it? I have tried a lot of things and have some conclusions now but can't make it work.
    – Joaquin San
    Mar 30, 2020 at 20:57
  • Unfortunateley not, I will reinstall.
    – Wob
    Apr 3, 2020 at 8:00
  • Oh man, you saved me, I tried many things nothing worked but this answer did worked.
    – rozky
    Sep 2, 2020 at 21:05

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