[Aspire 5630, Realtek ALC883, Green SPDIF Out, Rear] No sound at all

[nadia]

I've tried everything suggested in the forum and nothing worked; I rebooted the system a couple of times, this fixed the problem for a while, but when I restart the pc the sound disappear again

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: nadia 5868 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd2400000 irq 45'
   Mixer name : 'Realtek ALC883'
   Components : 'HDA:10ec0883,10250000,00100002 HDA:14f12bfa,1025007f,00090000'
   Controls : 24
   Simple ctrls : 14
Date: Thu Mar 21 12:30:47 2013
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_DevicesInUse:
 1696 5868/dev/snd/controlC0: guest-pZiS8A F.... pulseaudio
                      nadia F.... pulseaudio
Symptom_Jack: Green SPDIF Out, Rear
Symptom_Type: No sound at all
Title: [Aspire 5630, Realtek ALC883, Green SPDIF Out, Rear] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/20/2006
dmi.bios.vendor: Acer
dmi.bios.version: V2.90
dmi.board.name: Grapevine
dmi.board.vendor: Acer
dmi.board.version: N/A
dmi.chassis.asset.tag: ��������������������
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvrV2.90:bd09/20/2006:svnAcer:pnAspire5630:pvrV2.90:rvnAcer:rnGrapevine:rvrN/A:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5630
dmi.product.version: V2.90
dmi.sys.vendor: Acer

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]