I'm having this issue on my Dell Latitude E6410 on which Ubuntu 14.04 was working fine until I upgraded to 18.04.
$ cat /proc/asound/cards 0 [MID ]: HDA-Intel - HDA Intel MID HDA Intel MID at 0xf6950000 irq 26 $ aplay -l aplay: device_list:270: no soundcards found... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781294 Title: No sound card detected by PulseAudio and ALSA, but is visible in lspci [Dell XPS 13 9360] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1781294/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs