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Thinkpad x1 carbon 7th gen. Sound gone. Only dummy output available. Soundcard not detected

I have a habit of running sudo apt-get install dist-upgrade from time to time and i also update the system whenever system updater prompts me to. After the last update i have my system's volume gone. In fact the soundcard is not getting recognized at all. I have tried to sudo alsa force-reload. I have tried this. I have tried everything that comes on first page of google if i type "Ubuntu 18.04 sound gone shows only dummy output."

I have tried uninstalling alsa and pulseaudio

also, when i run sudo pulseaudio -k i get:

E: [pulseaudio] core-util.c: Home directory not accessible: Permission denied E: [pulseaudio] main.c: Failed to kill daemon: No such file or directory

Can somebody guide me to get the sound back?

figs_and_nuts
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1 Answers1

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I had the exact same issue on Ubuntu 18.04 ... Very disturbing . I got my speaker back by doing what was written here https://superuser.com/a/1509313/1151609

but i still have issues with my microphone and with the Bluetooth ...

Those updates are excessively annoying ...

Elias
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