NVidia nForce2 sound card with ALC655 sound codec not working 100% of the time in Ubuntu 9.04

Hi,

In order to gather essential troubleshooting information about your sound card, please first follow this procedure:

Step 1: Open Terminal from "Applications->Accessories->
Terminal"

Step 2: Run the following commands (copy/paste each command into the Terminal and then hit <enter>)

wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && bash alsa-info.sh

When the alsa-info.sh script asks "Do you want to run this script? [y/n]", press y and then hit <enter> to make sure the script actually runs. Please send us the full terminal output after the script has actually run.

Step 3: Run the following commands (copy/paste each command into the Terminal and then hit <enter>)

cat /proc/asound/cards
asoundconf list
sudo aptitude install gnome-alsamixer asoundconf-gtk
aplay -l
cat /dev/sndstat
lspci -nn
lsmod | grep snd

Step 4: Please post results (copy/paste terminal output from each command) on this thread

Step 5: Please also report on this thread if you cannot hear sound through the speakers, the headphones or cannot hear sound on both.

Step 6: Please also specify the exact model and make of your PC (if possible) on this thread

Step 7: If you are using a dual boot system (with Windows and Ubuntu installed on separate partitions),
then make sure to set the sound volume in Windows to a high level before booting into Ubuntu

Step 8: Experiment with the audio settings in gnome-alsamixer and asoundconf-gtk until you get sound (hopefully)

Step 9: In System/Administration/Users and Groups , make sure that your user and the root user are members of the following 5 groups:

 pulse
 pulse-access
 pulse-rt
 audio
 video

=======================================================================================

Please also read the following pages

http://www.ubuntugeek.com/sound-solutions-for-ubuntu-904-jaunty-users.html

http://doc.ubuntu-fr.org/audio_intel_hda (check for correct /etc/modprobe.d/alsa-base.conf options at bottom of this page)

https://help.ubuntu.com/community/SoundTroubleshooting

for some initial suggestions.

You should add the following string to the /etc/modprobe.d/alsa-base.conf file

options snd-hda-intel model=YOUR_MODEL

Valid model names (that replace YOUR_MODEL) depending on the codec chip, can be found at

http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=blob_plain;f=Documentation/sound/alsa/ALSA-Configuration.txt

If you do not know your codec chip name, you can execute the following Terminal command to find out:

cat /proc/asound/card*/codec* | grep Codec

Make sure to set all channels to high volume levels in gnome-alsamixer.

Make sure all the different speakers (including 'Front', 'Master', and 'PCM") are NOT muted and NOT set to low volume levels.

Kind regards,

Mark

thank you I will try that and get back to you

thank you
Jean

jean@jeanm:~$ wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && bash alsa-info.sh
--2009-05-17 20:24:21-- http://www.alsa-project.org/alsa-info.sh
Resolving www.alsa-project.org... 212.20.107.51
Connecting to www.alsa-project.org|212.20.107.51|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://git.alsa-project.org/?p=alsa-driver.git;a=blob_plain;f=utils/alsa-info.sh [following]
--2009-05-17 20:24:21-- http://git.alsa-project.org/?p=alsa-driver.git;a=blob_plain;f=utils/alsa-info.sh
Resolving git.alsa-project.org... 212.20.107.51
Reusing existing connection to www.alsa-project.org:80.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/plain]
Saving to: `alsa-info.sh'

    [ <=> ] 26,428 70.8K/s in 0.4s

2009-05-17 20:24:22 (70.8 KB/s) - `alsa-info.sh' saved [26428]

ALSA Information Script v 0.4.56
--------------------------------

This script will collect information about your ALSA installation and sound related hardware, to help diagnose your problem.

By default, the collected information will be AUTOMATICALLY uploaded to a www.alsa-project.org site.
If you do not wish for this to occur, run the script with the --no-upload argument

Do you want to run this script? [y/n] : y
          Uploading information to www.alsa-project.org ... Done!

Your ALSA information is located at http://www.alsa-project.org/db/?f=39b4cb7d76dd26e7005b46ae103674a1023fda8a

Please inform the person helping you.

jean@jeanm:~$

jean@jeanm:~$ cat /proc/asound/cards
 0 [nForce2 ]: NFORCE - NVidia nForce2
                      NVidia nForce2 with ALC655 at irq 22
jean@jeanm:~$ asoundconf list
Names of available sound cards:
nForce2
jean@jeanm:~$ sudo aptitude install gnome-alsamixer asoundconf-gtk
[sudo] password for jean:
Reading package lists... Done
Building dependency tree
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The following NEW packages will be installed:
  asoundconf-gtk gnome-alsamixer libgconfmm-2.6-1c2{a} libglademm-2.4-1c2a{a} libpulse-mainloop-glib0{a} padevchooser{a} paman{a} paprefs{a} pavucontrol{a} pavumeter{a}
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  ttf-dustin{u} ttf-sil-andika{u} ttf-sil-doulos{u} tuxmath{u} tuxpaint{u} tuxpaint-data{u} tuxpaint-plugins-default{u} tuxpaint-stamps-default{u} tuxtype{u} tuxtype-data{u}
  zlib1g-dev{u}
0 packages upgraded, 11 newly installed, 121 to remove and 1 not upgraded.
Need to get 405kB of archives. After unpacking 621MB will be freed.
Do you want to continue? [Y/n/?] y
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Get:1 http://ca.archive.ubuntu.com jaunty/universe asoundconf-gtk 1.6-0ubuntu1 [6444B]
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My PC have a Asus motherboard with a AMD Athlon XP 2700 processor and no I don't hear sound from speakers or headphone

thank you it's working fine

Jean Morrissette