[Inspiron 5559, Intel Skylake HDMI, Digital Out, HDMI] No sound at all

[Paun Remus]

After performing updates the sound card is not detected and I have no sound. I do not know how to fix the issue.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-35.40~14.04.1-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: remus 1945 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat May 7 09:52:45 2016
InstallationDate: Installed on 2016-04-23 (13 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
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: remus 1945 F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [Inspiron 5559, Intel Skylake HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/12/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.6
dmi.board.name: 04D1V1
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.1.6:bd01/12/2016:svnDellInc.:pnInspiron5559:pvr:rvnDellInc.:rn04D1V1:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Inspiron 5559
dmi.sys.vendor: Dell Inc.