Could you please run the following in a terminal: apport-collect -p
alsa-base 355375
Could you also try the latest live CD for the karmic development
version, http://cdimage.ubuntu.com/ubuntu/daily-live/current. You do not
need to install it, just see if sound is in stereo for the live session.
Public bug reported:
Since the fresh install of Jaunty Jackalope on my laptop, I only get
mono sound and only the left speaker seem to work - pavucontrol confirms
the issue. Then I added 'themuso' PPA for PulseAudio 0.9.15 and even
tough I love the new features, I still get the same problem - no
