I may be having the same problem, or so it is suggested: https://answers.launchpad.net/ubuntu/+question/673339
Is this an abandoned bug? ~Warren -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1322353 Title: [20B00050GE, Realtek ALC269VC, Speaker, Internal] No sound at all (The speakers had worked before with 14.04 but suddenly they do not anymore) Status in alsa-driver package in Ubuntu: Confirmed Bug description: I do not know which update has caused the problem. The speakers had worked already with 14.04 but since a few days there is no sound anymore. Headphones work correctly. I have a Thinkpad S531 Laptop which is certified to work with Ubuntu. Thanks! ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: marko 2609 F.... pulseaudio CurrentDesktop: Unity Date: Thu May 22 23:16:22 2014 InstallationDate: Installed on 2014-04-25 (26 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) PackageArchitecture: all ProcEnviron: LANGUAGE=de_AT:de PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_AT.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Internes Audio - HDA Intel PCH Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: marko 2609 F.... pulseaudio Symptom_Jack: Speaker, Internal Symptom_Type: No sound at all Title: [20B00050GE, Realtek ALC269VC, Speaker, Internal] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/02/2013 dmi.bios.vendor: LENOVO dmi.bios.version: GKET24WW (1.04 ) dmi.board.asset.tag: Not Available dmi.board.name: 20B00050GE dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGKET24WW(1.04):bd05/02/2013:svnLENOVO:pn20B00050GE:pvrThinkPadS5-S531:rvnLENOVO:rn20B00050GE:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20B00050GE dmi.product.version: ThinkPad S5-S531 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1322353/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp