==Sound==

http://ubuntuforums.org/showthread.php?p=7834207#post7834207

Make sure your system is updated

sudo apt-get dist-upgrade

Download the latest alsa stable snapshot

sudo apt-get install patch
wget ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz
tar xf alsa-driver-snapshot.tar.gz
cd alsa-driver
sudo ./configure --enable-dynamic-minors  --without-oss --with-cards="hda-intel"
sudo make
sudo make install

3. Restart your system 4. Go to system > preferences > sound and make sure your Device (last option) is playback: HDA NVIDIA (PulseAudio Mixer) 5. If sound is not working post the output of

find /lib/modules/ -name snd* uname -a