[Vostro 3559, Realtek ALC3234, Speaker, Internal] No sound at all

[Vikas Kumar Tiwari]

can't hear any sound while playing any audio video files.
also unable to hear anything on youtube videos

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: pulseaudio 1:8.0-0ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC0D3p: vikas 3824 F...m pulseaudio
 /dev/snd/controlC0: vikas 3824 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Sep 11 02:09:30 2016
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-osp1-20150720-0
InstallationDate: Installed on 2016-02-15 (207 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC0D3p: vikas 3824 F...m pulseaudio
 /dev/snd/controlC0: vikas 3824 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: No sound at all
Title: [Vostro 3559, Realtek ALC3234, Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to xenial on 2016-08-09 (32 days ago)
dmi.bios.date: 12/21/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.5
dmi.board.name: 047TR1
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.1.5:bd12/21/2015:svnDellInc.:pnVostro3559:pvr:rvnDellInc.:rn047TR1:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Vostro 3559
dmi.sys.vendor: Dell Inc.