Are you using LXDE?

[kira.laucas at gmail.com]

On Tue, Jun 02, 2009 at 08:27:09PM -0400, John Aldrich wrote:
> I don't HAVE an xorg.conf. How does one configure Fedora 10 to use the 
> nouveau driver if one does not have an xorg.conf? I know that the "old" way 
> used to be to hand-edit the xorg.conf, but since that doesn't exist any 
> more, I'm at a loss for how to fix this. I know that it's installed as when 
> I tried to install it earlier yum said it was already installed.
> 
sudo yum install system-config-display and then run system-config-display. it will create a new xorg.conf file. or you can just run nvidia-xconfig if you have kmod package.