I now booted with and without "options snd-hda-intel dmic_detect=0". The first boot attempt froze the screen, and in the second the mic was working, but after 3-4 min the audio system "crashed". The Settings show https://pasteboard.co/Jo955xN.png . And in both cases I do see:
~$ apt list --installed | grep alsa-ucm-conf alsa-ucm-conf/focal-updates,focal-updates,now 1.2.2-1ubuntu0.1 all [installed,automatic] so this package is installed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1892714 Title: Microphone not working on HP Omen 17 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1892714/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs