Public bug reported:
On my laptop running Ubuntu, sound works only through headphones.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.8.0-88.89-generic 6.8.12
Uname: Linux 6.8.0-88-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: oleksandrkravchuk 1926 F.... wireplumber
/dev/snd/controlC0: oleksandrkravchuk 1926 F.... wireplumber
/dev/snd/seq: oleksandrkravchuk 1921 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Dec 5 04:22:07 2025
InstallationDate: Installed on 2023-08-07 (850 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
MachineType: Dream Machines NLx0MU
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/08/2022
dmi.bios.release: 7.8
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.07.08TDES
dmi.board.asset.tag: Tag 12345
dmi.board.name: NLx0MU
dmi.board.vendor: Dream Machines
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Dream Machines
dmi.chassis.version: N/A
dmi.ec.firmware.release: 7.6
dmi.modalias:
dmi:bvnINSYDECorp.:bvr1.07.08TDES:bd03/08/2022:br7.8:efr7.6:svnDreamMachines:pnNLx0MU:pvrNotApplicable:rvnDreamMachines:rnNLx0MU:rvrNotApplicable:cvnDreamMachines:ct10:cvrN/A:skuNotApplicable:
dmi.product.family: Not Applicable
dmi.product.name: NLx0MU
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: Dream Machines
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2133917
Title:
Laptop speakers not working, only headphones output works
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