Public bug reported: This is 18.04 LTS but also occurred in 16.04 LTS. I have gone through the troubleshooting steps here:
https://help.ubuntu.com/community/SoundTroubleshooting and have included some output of those diagnostic steps below: $ sudo aplay -l aplay: device_list:270: no soundcards found... $ find /lib/modules/`uname -r` | grep snd /lib/modules/4.15.0-23-generic/kernel/sound/synth/emux/snd-emux-synth.ko /lib/modules/4.15.0-23-generic/kernel/sound/synth/snd-util-mem.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/pcsp/snd-pcsp.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/mpu401/snd-mpu401.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/mpu401/snd-mpu401-uart.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/snd-mtpav.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/snd-mts64.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/vx/snd-vx-lib.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/snd-aloop.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/opl3/snd-opl3-lib.ko /lib/modules/4.15.0-23-generic/kernel/sound/drivers/opl3/snd-opl3-synth.ko ...and lots more $ lspci -v | grep -A7 -i "audio" 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80) Subsystem: Dell Sunrise Point-LP HD Audio Flags: bus master, fast devsel, latency 32, IRQ 131 Memory at dc228000 (64-bit, non-prefetchable) [size=16K] Memory at dc200000 (64-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel, snd_soc_skl Sound settings still only list dummy output. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: pulseaudio 1:11.1-1ubuntu7.1 ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Uname: Linux 4.15.0-23-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: ubuntu:GNOME Date: Wed Jul 11 18:44:06 2018 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 InstallationDate: Installed on 2017-05-11 (426 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. SourcePackage: pulseaudio Symptom: audio UpgradeStatus: Upgraded to bionic on 2018-07-11 (0 days ago) dmi.bios.date: 01/18/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.3.2 dmi.board.name: 01KT0M dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.3.2:bd01/18/2017:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn01KT0M:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.family: XPS dmi.product.name: XPS 13 9360 dmi.sys.vendor: Dell Inc. ** Affects: pulseaudio (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic -- 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 but system recognizes integrated sound card on laptop 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
