[Lenovo IdeaPad S340-14IIL 81VV, Realtek ALC257, Speaker, Internal] No sound at all

[Joseph Vunanga]

No sound whatsoever not even on external speakers. I suspected a hardware problem at first and by the way drivers have been updated but same issue.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.2.0-36.37~22.04.1-generic 6.2.16
Uname: Linux 6.2.0-36-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: joseph-vunanga 4569 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 5 20:04:21 2023
InstallationDate: Installed on 2023-03-30 (220 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [81VV, Realtek ALC257, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/15/2021
dmi.bios.release: 1.27
dmi.bios.vendor: LENOVO
dmi.bios.version: CUCN27WW(V1.16)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76446 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad S340-14IIL
dmi.ec.firmware.release: 1.27
dmi.modalias: dmi:bvnLENOVO:bvrCUCN27WW(V1.16):bd06/15/2021:br1.27:efr1.27:svnLENOVO:pn81VV:pvrLenovoIdeaPadS340-14IIL:rvnLENOVO:rnLNVNB161216:rvrSDK0T76446WIN:cvnLENOVO:ct10:cvrLenovoIdeaPadS340-14IIL:skuLENOVO_MT_81VV_BU_idea_FM_IdeaPadS340-14IIL:
dmi.product.family: IdeaPad S340-14IIL
dmi.product.name: 81VV
dmi.product.sku: LENOVO_MT_81VV_BU_idea_FM_IdeaPad S340-14IIL
dmi.product.version: Lenovo IdeaPad S340-14IIL
dmi.sys.vendor: LENOVO