Here are some instructions that worked with 9.04.. have not tried on karmic, but looks like they should.. sudo apt-get install build-essential wget http://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/\ alsa-driver-unstable-snapshot.tar.bz2 -O -| tar xvj cd alsa-driver-unstable ./configure --enable-dynamic-minors make sudo make install-modules echo "options snd-hda-intel model=dell-m6" | \ sudo tee -a /etc/modprobe.d/alsa-base Hope that helps.. -- Varun Rajan Promoting Ubuntu In a world without walls and fences, who needs Windows and Gates?