[Satellite A500, Realtek ALC272, Black SPDIF Out, Left] No sound at all

[R. Makaaij]

After upgrading to Ubuntu 20.04 , first I heard sound , later it was suddenly gone . Had a few automatic updates . When trying Ubuntu 20.04 from boot cd , the sound works . First bug test I heard the internal speakers , second test they were silent.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: pulseaudio 1:13.99.1-1ubuntu3.2
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: jack 9526 F.... pulseaudio
 /dev/snd/controlC0: jack 9526 F.... pulseaudio
 /dev/snd/pcmC0D1p: jack 9526 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 14 19:31:35 2020
InstallationDate: Installed on 2020-04-15 (29 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=nl_NL.UTF-8
 SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:MID successful
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_Jack: Black SPDIF Out, Left
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: No sound at all
Title: [Satellite A500, Realtek ALC272, Black SPDIF Out, Left] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/12/10
dmi.bios.vendor: TOSHIBA
dmi.bios.version: 1.50
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: NSKAA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 9
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvr1.50:bd02/12/10:svnTOSHIBA:pnSatelliteA500:pvrPSAR9E-01M00QGR:rvnTOSHIBA:rnNSKAA:rvr1.00:cvnTOSHIBA:ct9:cvrN/A:
dmi.product.family: ABCDEFGHIJKLMNOPQRTUVWXYZ
dmi.product.name: Satellite A500
dmi.product.sku: *
dmi.product.version: PSAR9E-01M00QGR
dmi.sys.vendor: TOSHIBA