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my internal microphone is not recording and it looks like it is not receiving any input; see Settings -> Sound.

sound settings

Here is what pavucontrol shows (when I 'unlock' it I see the input audio at the minimum).

pavucontrol

When I connect my headphones everything works smoothly: I can hear sound and use the microphone.

Here is the the output of alsamixer:

alsamixer1

alsamixer2

alsamixer3

karel
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namename
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  • Does this answer your question? [Mic not working after installing Ubuntu 18.04.5 LTS on my new Lenovo ThinkPad-X1-Carbon-Gen-8](https://askubuntu.com/questions/1331966/mic-not-working-after-installing-ubuntu-18-04-5-lts-on-my-new-lenovo-thinkpad-x1) – Raffa Jun 17 '22 at 08:03
  • unluckily that did not help. thanks for hint @Raffa – namename Jul 10 '22 at 14:14

0 Answers0