[Vostro 3459, Realtek ALC3234, Speaker, Internal] Pulseaudio fails to detect card

[carlos]

Se pierde audio total de equipo, helpme please!

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: pulseaudio 1:8.0-0ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: Unity
Date: Thu Jan 26 17:04:30 2017
InstallationDate: Installed on 2016-10-05 (113 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: HDA-Intel - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Title: [Vostro 3459, Realtek ALC3234, Speaker, Internal] Pulseaudio fails to detect card
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: 0XJXJ6
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.:pnVostro3459:pvr:rvnDellInc.:rn0XJXJ6:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Vostro 3459
dmi.sys.vendor: Dell Inc.