https://bugs.kde.org/show_bug.cgi?id=426108
ese73 <esto...@web.de> changed:
What |Removed |Added
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CC| |esto...@web.de
--- Comment #13 from ese73 <esto...@web.de> ---
I have the same problem and had a bug posted on launchpad
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1898184 before I came
along this ticket so maybe I will close it with reference to this one. My
laptop Lenovo P50 is equipped with a Nvidia graphics chip, so I am still able
to hear sound by choosing HDMI3 output. However, my microphone is dead.
But my comment is mainly on reporting some (in my eyes) strange observation I
made just yesterday. To countercheck, I booted a Kubuntu 18.04.5 live system
from USB stick and there the built-in audio worked as expected because it did
so before I upgraded to 20.04.1. I then shut down the system and removed the
stick. After rebooting the installed 20.04.1 again, the built-in audio worked!
For example, I could start Zoom client and when entering its audio settings it
would not complain anymore about not being able to find the microphone. Instead
it recorded sound as usual. BUT: after rebooting the 20.04.1 it apparently was
brainwashed and it could not find the built-in audio anymore and Zoom
complained again about the supposedly missing internal microphone.
I never before experienced such a behavior and I don't understand it. Just
thought I should mention it.
Nevertheless the bug is really nasty as it prevents participation in web
conferences, which became an essential part of daily working in times of
Covid-19.
Just for the records, I confirm the bug for a Lenovo P50. My system is (output
of inxi):
Kernel:
5.4.0-48-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: KDE Plasma
5.18.5 tk: Qt 5.12.8 wm: kwin_x11 dm: SDDM Distro: Ubuntu 20.04.1 LTS (Focal
Fossa)
Audio:
Device-1: Intel 100 Series/C230 Series Family HD Audio vendor: Lenovo driver:
snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:a170
Device-2: NVIDIA GM107 High Definition Audio [GeForce 940MX] driver:
snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:0fbc
Sound Server: ALSA v: k5.4.0-48-generic
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