The solution proposed by Andy works for me. I have sound after reboot!
Thanks!

I also have executed the alsa_setup.sh script earlier.

2016-01-15 23:46 GMT+01:00 Andy C <email address hidden>:

> I also have a HP 430 G3, on Ubuntu 15.10, kernel 4.2.0-23.  Same issue (no
> sound).
> Above solution from Simone (14-12-2015) failed to work for me.
>
> But the following does work and has the advantage of persisting.
>
> 1.  Create a new modprobe.d file:
> /etc/modprobe.d/intel.conf
>
> 2.  Add these entries:
> options snd-hda-intel single_cmd=1
> options snd-hda-intel probe_mask=1
>
> 3.  reboot.
>
> Credits to "Bas" :-)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1525554
>
> Title:
>   [HP ProBook 470 G3, Intel Skylake HDMI, Digital Out, HDMI] No sound at
>   all
>
> Status in alsa-driver package in Ubuntu:
>   Incomplete
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   No sound on brand new HP ProBook 470 G3 after installing Ubuntu 14.04
>   on headphones or internal speakers.
>
>   Connecting a USB headphone and microphone both work, though.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: alsa-base 1.0.25+dfsg-0ubuntu4
>   ProcVersionSignature: Ubuntu 3.19.0-39.44~14.04.1-generic 3.19.8-ckt9
>   Uname: Linux 3.19.0-39-generic x86_64
>   ApportVersion: 2.14.1-0ubuntu3.19
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  ronald     2199 F.... pulseaudio
>                         ronald     2513 F.... alsamixer
>   CurrentDesktop: Unity
>   Date: Sat Dec 12 19:36:01 2015
>   EcryptfsInUse: Yes
>   InstallationDate: Installed on 2015-12-07 (5 days ago)
>   InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64
> (20150805)
>   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:
>    Error: command ['pkexec', 'fuser', '-v', '/dev/snd/by-path',
> '/dev/snd/hwC0D2', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p',
> '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit
> code 127: Error executing command as another user: Not authorized
>
>    This incident has been reported.
>   Symptom_Jack: Digital Out, HDMI
>   Symptom_Type: No sound at all
>   Title: [HP ProBook 470 G3, Intel Skylake HDMI, Digital Out, HDMI] No
> sound at all
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 09/30/2015
>   dmi.bios.vendor: HP
>   dmi.bios.version: N78 Ver. 01.02
>   dmi.board.name: 8102
>   dmi.board.vendor: HP
>   dmi.board.version: KBC Version 16.1F
>   dmi.chassis.asset.tag: 5CD54286XY
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: HP
>   dmi.modalias:
> dmi:bvnHP:bvrN78Ver.01.02:bd09/30/2015:svnHP:pnHPProBook470G3:pvr:rvnHP:rn8102:rvrKBCVersion16.1F:cvnHP:ct10:cvr:
>   dmi.product.name: HP ProBook 470 G3
>   dmi.sys.vendor: HP
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1525554/+subscriptions
>