Public bug reported:

Just downloaded ubuntu 2 nights ago (so im new) and last night  I
downloaded pulseaudio equalizer to try it out. So i was messing with it
and it sounded worse for some reason when i turned it on. Around the
same time, and i'm pretty sure i didn't change anything, the sound just
stopped. So i next thought maybe the equalizer had messed something up,
so i went to remove it and accidentally removed the whole pulseaudio
sound server instead of the equalizer and that left me with no volume
indicator on the task bar and still no audio. Reinstalled that whole
package though but still nothing. Tried different things in alsa mixer
other threads were saying like turning off auto mute which i didnt even
have listed and made sure nothing was muted. One thing that was weird
was it turned off my volume led switch on my laptop, but i changed that
to on in alsamixer and that was fine again, but now i just have no sound
and have been trying to figure what happened since. Also I have it
hooked up to surround through the headphones right now and i tried to
unplug that and see if the speakers worked and they didn't. Oh and what
is supposed to show up in sound settings for output normally? Because im
not sure exactly what it was before but it just says Digital Output
S/PDIF Built in Audio. Is the actual driver's name supposed to be there?
I'm not sure, but when i uninstalled pulse audio sound server all my
outputs were gone along with the volume indicater. Any support is
greatly appriciated, Thank you!

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
Uname: Linux 3.5.0-21-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  josh       1875 F.... pulseaudio
Date: Thu Jan 17 20:41:29 2013
InstallationDate: Installed on 2013-01-16 (1 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 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:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  josh       1875 F.... pulseaudio
Symptom_Type: No sound at all
Title: [HDA-Intel - HDA Intel, playback] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.21
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3602
dmi.board.vendor: Quanta
dmi.board.version: 02.26
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.21:bd08/20/2009:svnHewlett-Packard:pnHPPaviliondv5NotebookPC:pvrRev1:rvnQuanta:rn3602:rvr02.26:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv5 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal running-unity

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https://bugs.launchpad.net/bugs/1101036

Title:
  [HDA-Intel - HDA Intel, playback] No sound at all after installing
  pulseaudio equalizer

Status in “alsa-driver” package in Ubuntu:
  New

Bug description:
  Just downloaded ubuntu 2 nights ago (so im new) and last night  I
  downloaded pulseaudio equalizer to try it out. So i was messing with
  it and it sounded worse for some reason when i turned it on. Around
  the same time, and i'm pretty sure i didn't change anything, the sound
  just stopped. So i next thought maybe the equalizer had messed
  something up, so i went to remove it and accidentally removed the
  whole pulseaudio sound server instead of the equalizer and that left
  me with no volume indicator on the task bar and still no audio.
  Reinstalled that whole package though but still nothing. Tried
  different things in alsa mixer other threads were saying like turning
  off auto mute which i didnt even have listed and made sure nothing was
  muted. One thing that was weird was it turned off my volume led switch
  on my laptop, but i changed that to on in alsamixer and that was fine
  again, but now i just have no sound and have been trying to figure
  what happened since. Also I have it hooked up to surround through the
  headphones right now and i tried to unplug that and see if the
  speakers worked and they didn't. Oh and what is supposed to show up in
  sound settings for output normally? Because im not sure exactly what
  it was before but it just says Digital Output S/PDIF Built in Audio.
  Is the actual driver's name supposed to be there? I'm not sure, but
  when i uninstalled pulse audio sound server all my outputs were gone
  along with the volume indicater. Any support is greatly appriciated,
  Thank you!

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu3
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  Uname: Linux 3.5.0-21-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  josh       1875 F.... pulseaudio
  Date: Thu Jan 17 20:41:29 2013
  InstallationDate: Installed on 2013-01-16 (1 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   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:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  josh       1875 F.... pulseaudio
  Symptom_Type: No sound at all
  Title: [HDA-Intel - HDA Intel, playback] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/20/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.21
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3602
  dmi.board.vendor: Quanta
  dmi.board.version: 02.26
  dmi.chassis.type: 10
  dmi.chassis.vendor: Quanta
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.21:bd08/20/2009:svnHewlett-Packard:pnHPPaviliondv5NotebookPC:pvrRev1:rvnQuanta:rn3602:rvr02.26:cvnQuanta:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dv5 Notebook PC
  dmi.product.version: Rev 1
  dmi.sys.vendor: Hewlett-Packard

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