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Only “Dummy Output” sound device after sleep

If you loses your sound output in Ubuntu 18.04 and is left with a “Dummy Output” only, you can try restarting pulseaudio. This might save you a reboot!

pulseaudio -k && sudo alsa force-reload

If this doesn’t fix the issue, and a reboot doesn’t fix it, go here for some more troubleshooting tips: https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-in.html

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