In the input section of "Multimedia Systems Selector" try switching your input to ALSA and then going into volume control and turning it all the way up. You may have to kill pulseaudio for this to work:
pulseaudio -k
pulseaudio -k
Medibuntu (Multimedia, Entertainment & Distractions In Ubuntu) is a repository of packages that cannot be included into the Ubuntu distribution for legal reasons (copyright, license, patent, etc).
Some of these packages include the
libdvdcss package from
VideoLAN and the external binary codecs package (commonly known as w32codecs) used by
MPlayer and
xine.
sudo apt-get install ruby rdoc irb libyaml-ruby libzlib-ruby ri libopenssl-ruby
wget http://rubyforge.org/frs/download.php/29548/rubygems-1.0.1.tgz
tar xzvf rubygems-1.0.1.tgz
cd rubygems-1.0.1
sudo ruby setup.rb
# This creates /usr/bin/gem1.8, but every guide you find will just use “gem”
# so create a symbolic link
sudo ln -s /usr/bin/gem1.8 /usr/bin/gem
# update rubygems
sudo gem update –system
sudo gem install rails
sudo gedit /etc/X11/xorg.conf
Section "Extensions"
Option "Composite" "0"
EndSection
Section "Extensions"
Option "Composite" "1"
EndSection
sudo apt-get install xserver-xgl
sudo apt-get install compizconfig-settings-manager