[CF-53DA502FW, Realtek ALC269VB, Speaker, Internal] Playback problem

[dani k]

i have no audio from speakers in my laptop but i have audio output on hdmi. i have another harddrive with windows 7 on it and the speakers work correctly on that. they used to work on this distro
Description: Ubuntu 20.04 LTS
Release: 20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dani 1677 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Jun 8 12:59:05 2020
InstallationDate: Installed on 2020-03-24 (75 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_Type: Only some of outputs are working
Title: [CF-53DA502FW, Realtek ALC269VB, Speaker, Internal] Playback problem
UpgradeStatus: Upgraded to focal on 2020-05-16 (22 days ago)
dmi.bios.date: 05/25/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.00L15
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: CF53-1
dmi.board.vendor: Panasonic Corporation
dmi.board.version: 1
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: Panasonic Corporation
dmi.chassis.version: 001
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.00L15:bd05/25/2012:svnPanasonicCorporation:pnCF-53DA502FW:pvr001:rvnPanasonicCorporation:rnCF53-1:rvr1:cvnPanasonicCorporation:ct10:cvr001:
dmi.product.family: CF53-1
dmi.product.name: CF-53DA502FW
dmi.product.sku: CF-53DA502FW
dmi.product.version: 001
dmi.sys.vendor: Panasonic Corporation