Public bug reported:
No sound at all, but on my headphones work correctly
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: dejan 2719 F...m pulseaudio
/dev/snd/controlC0: dejan 2719 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Jan 8 15:36:09 2017
InstallationDate: Installed on 2016-12-23 (16 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: dejan 2719 F...m pulseaudio
/dev/snd/controlC0: dejan 2719 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [80SM, Conexant CX20751/2, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/21/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: 0XCN23WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Toronto 5A2
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 310-15ISK
dmi.modalias:
dmi:bvnLENOVO:bvr0XCN23WW:bd03/21/2016:svnLENOVO:pn80SM:pvrLenovoideapad310-15ISK:rvnLENOVO:rnToronto5A2:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapad310-15ISK:
dmi.product.name: 80SM
dmi.product.version: Lenovo ideapad 310-15ISK
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1654857
Title:
[80SM, Conexant CX20751/2, Speaker, Internal] No sound at all
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