Please, if you're accessing them from a question on Launchpad, tell us
what number solved your problem, or tell us if your problem persists.
This document is based on http://drowninginbugs.blogspot.com/2009/10
/caveats-for-audio-in-910.html
[0] First of all, apply the updates, nothing more. Maybe your problem
has already been resolved without you having to do anything else. Before
following the guide and after updating, reboot and so aplicna you ensure
that all changes.
[1] Make sure you are using the kernel and not the old Karmic. Run
"uname-r". It should say 2.6.31-14-generic or higher. If you get an
older version, you may be using an older kernel. Ask for your case.
[2] Make sure slmodemd is not running. Run "pgrep slmodemd. You should
not give back anything. If you return something, ask about your
particular case.
[3] Install linux-backports-modules-alsa-karmic-generic.
sudo apt-get install linux-backports-modules-alsa-karmic-generic
Then reboot and see if the sound and run better. If he says that this package
does not exist, go to System »Administration» Software Sources. In the Updates
tab active "Unsupported Updates (karmic-backports)". Click close and when
prompted if you want to reload package information say yes. Then try installing
again.
[4] Add the PPA of Ubuntu Audio Development Team and maintained.
sudo apt-add-ppa repository: ubuntu-audio-dev/ppa
sudo apt-get update
sudo apt-get dist-upgrade
Packages should be updated alsa and pulseaudio. then reboot and see if that
fixes your problem.
[5] Get a PulseAudio log with these instructions: https: / / wiki.ubuntu.com /
PulseAudio / Log
Get also a log of ALSA with these instructions: https: / / wiki.ubuntu.com /
DebuggingSoundProblems # Automatic% 20sound% 20Information% 20Collection
Http://paste.ubuntu.com/ paste both logs in and passes the addresses to a
question so people can see your particular case and try to help.
--
Realtek ALC883 audio chipset (ATI/Intel HD audio)
https://bugs.launchpad.net/bugs/114053
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