Public bug reported: The speaker used to work fine but the internal microphone was not showing in Settings -> Sound -> Input. I tried to purge alsa.
$ sudo apt-get remove --purge alsa-base pulseaudio and then reinstall it $ sudo apt-get install ubuntu-desktop alsa-base pulseaudio After that even output sound is not working.it is showing "Dummy Output" in Settings -> Sound -> Output. After that i run this command $ cat /proc/asound/cards it is showing "--- no soundcards ---" ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.18 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: ubuntu:GNOME Date: Tue Oct 13 14:01:16 2020 InstallationDate: Installed on 2020-10-08 (5 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/26/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.4.1 dmi.board.name: 02VYDM dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.4.1:bd08/26/2020:svnDellInc.:pnLatitude3410:pvr:rvnDellInc.:rn02VYDM:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Latitude dmi.product.name: Latitude 3410 dmi.product.sku: 09EC dmi.sys.vendor: Dell Inc. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic ** Attachment added: "Dmesg audio log" https://bugs.launchpad.net/bugs/1899595/+attachment/5421633/+files/dmesg_grep_audio.log -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1899595 Title: PCI/internal sound card not detected Status in alsa-driver package in Ubuntu: New Bug description: The speaker used to work fine but the internal microphone was not showing in Settings -> Sound -> Input. I tried to purge alsa. $ sudo apt-get remove --purge alsa-base pulseaudio and then reinstall it $ sudo apt-get install ubuntu-desktop alsa-base pulseaudio After that even output sound is not working.it is showing "Dummy Output" in Settings -> Sound -> Output. After that i run this command $ cat /proc/asound/cards it is showing "--- no soundcards ---" ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.18 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: ubuntu:GNOME Date: Tue Oct 13 14:01:16 2020 InstallationDate: Installed on 2020-10-08 (5 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/26/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.4.1 dmi.board.name: 02VYDM dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.4.1:bd08/26/2020:svnDellInc.:pnLatitude3410:pvr:rvnDellInc.:rn02VYDM:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Latitude dmi.product.name: Latitude 3410 dmi.product.sku: 09EC dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1899595/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp