Thank you @acelankao. I have contacted the Dell support and it seemed to
be a motherboard problem. They'll replace it next week.
I've change the bug status as invalid.
Thanks for your help.
** Changed in: alsa-driver (Ubuntu)
Status: In Progress => Invalid
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1586641
Title:
PCI/internal sound card not detected
Status in alsa-driver package in Ubuntu:
Invalid
Bug description:
My sound card is not even detected and alsamixer do nothing.
I tried oem-audio-hda-daily-lts-xenial-dkms -
0.201605271732~ubuntu16.04.1 https://code.launchpad.net/~ubuntu-audio-
dev/+archive/ubuntu/alsa-daily/+packages like it was described here
https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS but it didn't worked.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat May 28 15:20:10 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-05-27 (1 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64
(20160421)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/14/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.0
dmi.board.name: 0T6HHJ
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.0:bd02/14/2016:svnDellInc.:pnLatitudeE7470:pvr:rvnDellInc.:rn0T6HHJ:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7470
dmi.sys.vendor: Dell Inc.
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