Public bug reported:
I use my computer with a dual boot. Win 10 and Ubuntu 16.04.2 LTS. After
an upgrade in windows or Ubuntu i can't get sound from speakers. But
headphone or an hdmi output works fine. It would really appreciate if
someone finds a solution for my problem.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-83.106-generic 4.4.70
Uname: Linux 4.4.0-83-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: aypupen 1753 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Jul 15 20:22:13 2017
InstallationDate: Installed on 2016-11-17 (240 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/controlC0: aypupen 1753 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [80TY, Realtek Generic, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/13/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: 0GCN22WW(V1.06)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo Yoga710-1
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Yoga710-14ISK
dmi.modalias:
dmi:bvnLENOVO:bvr0GCN22WW(V1.06):bd02/13/2017:svnLENOVO:pn80TY:pvrLenovoYoga710-14ISK:rvnLENOVO:rnLenovoYoga710-1:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoYoga710-14ISK:
dmi.product.name: 80TY
dmi.product.version: Lenovo Yoga710-14ISK
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/1704578
Title:
Ubuntu 16.04 - No sound from speakers. But headphone works fine.
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