Niño,
These instructions were for Lucid Lynx only. If you are using Karmic, you need to edit the file 11-x11-synaptics.fdi.I wanted to edit /lib/udev/rules.d/66-xorg-synaptics.rules but it wasn't there, so I created the file within it…Code:ENV{x11_driver}="multitouch"
Bookmarks