I have an XPS 13 9370 with the same or similar issue on Ubuntu 20 and it is not a fresh install. It has affected my machine for numerous kernel versions and BIOS firmware versions.
alsa-info: http://alsa- project.org/db/?f=47725ef4c2de6c2a8b3cff3dd68c7a2bc0c3635f kernel: Linux anonymous 5.4.0-88-generic #99-Ubuntu SMP Thu Sep 23 17:29:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -rd Description: Ubuntu 20.04.3 LTS Release: 20.04 dmesg: [ 746.187338] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to polling mode: last cmd=0x200f0000 [ 747.191347] snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x200f0000 [ 748.195328] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x200f0000 [ 749.199337] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to single_cmd mode: last cmd=0x200f0000 [ 749.199703] hdaudio hdaudioC0D2: no AFG or MFG node found [ 749.199716] snd_hda_intel 0000:00:1f.3: no codecs initialized I have tried toggling the audio support in the BIOS to minimize the chance that this is a hardware/BIOS issue. The only output available in the UI is "Dummy Output". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1913014 Title: No audio on XPS 13 9370 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/1913014/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
