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Ubuntu 20.04.1 LTS, locks automatically. And after this sound output switches to dummy output. The sound setting gets normalized after restart only. And all the processes taking place terminates. Help me with this. Due to this issue video call gets disconnected in between only.

Arpit Mîttål
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    Does this answer your question? [Persistent Dummy Output](https://askubuntu.com/questions/800262/persistent-dummy-output) – Pablo Bianchi Aug 17 '20 at 09:16
  • Check your `lspci -v | grep -A7 -i "audio"` and then see this recent answer https://askubuntu.com/questions/1218413/output-device-is-dummy-output and/or https://askubuntu.com/questions/1266611/suddenly-dummy-output-and-no-sound – darth_epoxy Aug 17 '20 at 09:23
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    After unlocking screen, open terminal and try `pulseaudio -k`. Does this restore the sound? – WinEunuuchs2Unix Aug 17 '20 at 10:53
  • @PabloBianchi I think this one is different because the dummy output goes away after a reboot and only shows up after locking and unlocking. – mchid Aug 17 '20 at 17:25
  • Could you add the output of `journalctl -p warning | grep pulseaudio` when this happens? – Pablo Bianchi Aug 17 '20 at 20:13
  • Why it turns off automatically in the first place? – Arpit Mîttål Aug 19 '20 at 04:58

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