Public bug reported:
After unplugging HDMI which was selected to transmit sound
(successfully) the internal sound is almost all (one from the most
extreme position) on the left. Before that the balance was certainly in
the center.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 4.19.21-041921-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lune 1908 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon May 6 23:48:24 2019
InstallationDate: Installed on 2019-01-06 (120 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Grey Speaker, Internal
Symptom_Type: Volume slider, or mixer problems
Title: [Swift SF514-53T, Realtek ALC255, Grey Speaker, Internal] volume slider
problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/17/2018
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.03
dmi.board.name: Carlsberg_WL
dmi.board.vendor: WL
dmi.board.version: V1.03
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.03
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.03:bd12/17/2018:svnAcer:pnSwiftSF514-53T:pvrV1.03:rvnWL:rnCarlsberg_WL:rvrV1.03:cvnAcer:ct10:cvrV1.03:
dmi.product.family: Swift 5
dmi.product.name: Swift SF514-53T
dmi.product.sku: 0000000000000000
dmi.product.version: V1.03
dmi.sys.vendor: Acer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1827957
Title:
After unplugging HDMI, internal sound's balance is not center [Swift
SF514-53T, Realtek ALC255, Grey Speaker, Internal] volume slider
problem
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