First off I will assume that you installed X and and Window Manager/Desktop Environment. Here is a quick tutorial
startx (starts x w/ the default config file)
if you do not have X configured and the default does not work, or you want better performance then run these commands (I use 9.1...so I am going to try my best to update the commands from xfree86 to x.org)
xorgsetup
xorgconfig
^^^maybe capitalize the X...I havne't uxed x.org yet.
In 9.1 the x config file was XF86Config or XF86Config-4 so I guess it would be XorgConfig or XorgConfig-4 Regardless this file is in the /etc directory and you can manually edit it to your liking. Always save a backup like this
cp XorgConfig XorgConfig.bak
(assuming that is the name of the file.)
and just as a side note WinDOZE semi-crashed on me while posting this