Kollade google Install media player for ubuntu. Find a repository http://www.debian-multimedia.org/debian-m.php For example: deb http://ftp.acc.umu.se/mirror/debian-multimedia stable main deb-src http://ftp.acc.umu.se/mirror/debian-multimedia stable main Add it as third party repository in synaptics package manager. gstreamer... But it did not work Or should I replace stable with gutsy? deb http://debian.three-dimensional.net/debian-multimedia gutsy main then installed: gstreamer restricted packages. After that at least mpg files could be played. installed also xubuntu restricted extras Did not help Tried to install VLC With that unencrypted DVDs play fine. If that dont help then perhaps ogle? Same as with VLC Aha I need the pitfdll also, added that an a lot of gstreamer good, bad ugly... totem now play the sound (for unencrypted dvds) but no image. http://www.gnome.org/projects/totem/#codecs Figure out what to install http://ubuntuguide.org/wiki/Ubuntu:Gutsy#How_to_install_Mplayer_with_Multimedia_Codecs http://www.ubuntugeek.com/install-mplayer-and-multimedia-codecs-libdvdcss2w32codecs-in-ubuntu-710-gutsy-gibbon.html Eller är det mplayer man ska ha http://www.ubuntugeek.com/install-mplayer-and-multimedia-codecs-libdvdcss2w32codecs-in-ubuntu-710-gutsy-gibbon.html What is "debian-marillat" see http://ubuntuforums.org/archive/index.php/t-8161.html http://www.associatedcontent.com/article/254478/how_to_enable_encrypted_dvd_playback.html in /etc/apt/sources.list add deb http://medibuntu.sos-sts.com/repo/feisty free non-free deb http://medibuntu.sos-sts.com/repo/gutsy free non-free Then do: sudo apt-get install pgpgpg wget -q http://packages.medibuntu.org/medibuntu-key.gpg -O- | sudo apt-key add - sudo apt-get update sudo apt-get upgrade sudo apt-get install libdvdcss2 got: E: Package libdvdcss2 has no installation candidate hmm https://help.ubuntu.com/community/Medibuntu#head-7486ed038a9becc1dff10a24cc07a38a00d70e9f sudo wget http://www.medibuntu.org/sources.list.d/gutsy.list -O /etc/apt/sources.list.d/medibuntu.list wget -q http://packages.medibuntu.org/medibuntu-key.gpg -O- | sudo apt-key add - && sudo apt-get update sudo apt-get install libdvdcss2 Now VLC media player can play also encrypted DVDs