#emerge -pv xorg-server
and check if there is something you need to emerge or put USE flags.
#emerge -av xorg-server
You might fail to launch it.
check this out,
#X -configure ; create configuration file on your root folder.
You will see,
My system VGA drive is nvidia. so now I would like to put following in /etc/make.conf
VIDEO_CARDS="nvidia nv" ;Actually Gentoo's official driver is nouveau but it was not working on my machine for some reason.
And you need to edit on the config file a bit.
Identifier "Nvidia Card"
and Check if it works,
#X -restro -config ~/xorg.conf.new
If you see the screen, then you will be able to proceed to KDE or something.