I notice that your xorg.conf file doesn't have a Load "synaptics" line.
What happens when you edit the xorg.conf by following the instructions in /usr/share/doc/xserver-xorg-input-synaptics/README.Debian.gz? Can you attach your revised xorg.conf file, after following these instructions? ** Bug 50086 has been marked a duplicate of this bug ** Bug 50087 has been marked a duplicate of this bug ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: Unconfirmed => Needs Info -- Dell Inspiron 510m: Horizontal scroll does not work https://launchpad.net/bugs/50082 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs