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

[Linuxman95]

Seems to be intermittent as to when it fails

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: elliot 10914 F.... pulseaudio
 /dev/snd/controlC1: elliot 10914 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Aug 15 22:46:42 2016
InstallationDate: Installed on 2016-07-12 (34 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
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: elliot 10914 F.... pulseaudio
 /dev/snd/controlC1: elliot 10914 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: 11/20/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.65
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 1963
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 93.52
dmi.chassis.asset.tag: 5CG32813JV
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.65:bd11/20/2014:svnHewlett-Packard:pnHPENVYTS15NotebookPC:pvr0888100000305B00000320000:rvnHewlett-Packard:rn1963:rvrKBCVersion93.52:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY TS 15 Notebook PC
dmi.product.version: 0888100000305B00000320000
dmi.sys.vendor: Hewlett-Packard
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-08-11T20:56:58.010917