I tried to play sound today, and no sound.

Similar questions and my failed attempts:

  1. No Sound (Dummy Output) error Ubuntu 19.10 but no solution here

  2. pulseaudio -k && sudo alsa force-reload changed nothing pacmd list-cards lists 0 cards.

also, typing pacmd set-card-profile 0 output:analog-stereo gives No card found by this name or index.

source: "Dummy Output" No sound in Ubuntu 16.04

  1. Trying sudo alsactl init 0

gives alsactl: init:1778: Cannot find soundcard '0'...

source: https://www.linuxquestions.org/questions/linux-hardware-18/ubuntu-18-04-dummy-output-and-sound-disappeared-4175659386/

  1. mv ~/.config/pulse ~/.config/old_pulse and then rebooting also fails source: https://itsfoss.com/fix-sound-ubuntu-1304-quick-tip/

  2. sudo apt-get remove alsa-base pulseaudio sudo apt-get install alsa-base pulseaudio

failed. Source: https://itsfoss.com/fix-sound-ubuntu-1304-quick-tip/

  1. sudo apt-get --purge remove linux-sound-base alsa-base alsa-utils

sudo apt-get install linux-sound-base alsa-base alsa-utils

sudo apt-get install dkms build-essential linux-headers-uname -r alsa-base alsa-firmware-loaders alsa-oss alsa-source alsa-tools alsa-tools-gui alsa-utils alsamixergui

sudo usermod -a -G audio username

sudo reboot

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