[HDA-Intel - HDA Intel PCH, playback] No sound at all

[Niharika]

Not able to hear the sounds even on testing and any sound within the system.
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu
   UBUNTU 16.04 LTS
2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center
   Unable to locate package pkgname
3) What you expected to happen
   I expect to sound within the system
4) What happened instead
   There is no sound

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
Uname: Linux 4.4.0-210-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.30
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: niharika 2011 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun May 23 18:36:38 2021
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
InstallationDate: Installed on 2021-04-25 (27 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
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/controlC0: niharika 2011 F.... pulseaudio
Symptom_Type: No sound at all
Title: [HDA-Intel - HDA Intel PCH, playback] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/19/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.5.0
dmi.board.name: 0N5RYC
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr2.5.0:bd04/19/2018:svnDellInc.:pnVostro15-3568:pvr:rvnDellInc.:rn0N5RYC:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Vostro 15-3568
dmi.sys.vendor: Dell Inc.