Thank you for reporting this bug to Ubuntu. Ubuntu 16.10 (yakkety) reached end-of-life on July 20, 2017.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: alsa-driver (Ubuntu) Status: New => Won't Fix -- 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/1637683 Title: ubuntu 16.10 internal speakers don't work, but headphones do Status in alsa-driver package in Ubuntu: Won't Fix Bug description: Under sound settings only headphone output is listed as an option, no internal speakers are listed. Headphone playback does work. In alsamixer, speaker output was at 0 and muted, but unmuting and increasing volume does not produce playback in speakers. ASUS X550LB laptop ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0 Uname: Linux 4.8.0-26-generic x86_64 ApportVersion: 2.20.3-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: austinclem1 1647 F.... pulseaudio /dev/snd/controlC0: austinclem1 1647 F.... pulseaudio CurrentDesktop: Unity Date: Fri Oct 28 20:42:56 2016 InstallationDate: Installed on 2016-10-29 (0 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) 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/controlC1: austinclem1 1647 F.... pulseaudio /dev/snd/controlC0: austinclem1 1647 F.... pulseaudio Symptom_Jack: Speaker, Internal Symptom_Type: No sound at all Title: [X550LB, Realtek ALC3236, Speaker, Internal] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/26/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X550LB.403 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X550LB dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550LB.403:bd06/26/2014:svnASUSTeKCOMPUTERINC.:pnX550LB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550LB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X550LB dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1637683/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

