[HP ProBook 440 G2, Realtek ALC3227, Speaker, Internal] No sound at all

[Vicky R]

It was working perfect previously but suddenly the system shutdown unexpectedly. And when I restarted system again, faced this kind of issue.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-75.96-generic 4.4.59
Uname: Linux 4.4.0-75-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: vikash 2176 F.... pulseaudio
 /dev/snd/pcmC1D0c: vikash 2176 F...m pulseaudio
 /dev/snd/controlC1: vikash 2176 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Apr 29 01:33:47 2017
InstallationDate: Installed on 2016-01-13 (471 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
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: vikash 2176 F.... pulseaudio
 /dev/snd/pcmC1D0c: vikash 2176 F...m pulseaudio
 /dev/snd/controlC1: vikash 2176 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [HP ProBook 440 G2, Realtek ALC3227, Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to xenial on 2016-04-29 (364 days ago)
dmi.bios.date: 03/17/2015
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M73 Ver. 01.11
dmi.board.name: 2247
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 59.22
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrM73Ver.01.11:bd03/17/2015:svnHewlett-Packard:pnHPProBook440G2:pvrA3008CD10003:rvnHewlett-Packard:rn2247:rvrKBCVersion59.22:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 440 G2
dmi.product.version: A3008CD10003
dmi.sys.vendor: Hewlett-Packard