Exit X and run 'xf86config' from a console. This will set up a working X configuration file for you. You can then modify this file to better suit your needs, but at least it will give you a working full-screen setup.
I haven't run your distro, but this came up on my dad's laptop a while back and this fixed his.
Last edited by canon; 10-02-2003 at 09:34 PM.