installing sudo apt-get install linux-backports-modules-2.6.22-14-generic works too. it is important to delete the previous versions of the driver intel-hda and atiixp before installing the backports
installing sudo apt-get install linux-backports -modules- 2.6.22- 14-generic works too. it is important to delete the previous versions of the driver intel-hda and atiixp before installing the backports