PCI/internal sound card not detected

[donizeti de oliveira machado]

Depois de atualisação, fiquei sem som. aparece apenas" saida som ficticio"

Não parece outra saida e não consigo alterar nada.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 4.4.0-59.80~14.04.1-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: Unity
Date: Tue Jan 17 13:52:19 2017
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-osp1-20150720-0
InstallationDate: Installed on 2016-04-04 (288 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pt_BR.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: 12/30/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 3.0.2
dmi.board.name: 0J4NFV
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvr3.0.2:bd12/30/2015:svnDellInc.:pnVostro3250:pvrX00:rvnDellInc.:rn0J4NFV:rvrA00:cvnDellInc.:ct3:cvrNotSpecified:
dmi.product.name: Vostro 3250
dmi.product.version: X00
dmi.sys.vendor: Dell Inc.