#: enter your admin password
#: yum install yumex
go to System/Administration, Add/Remove Software
search for and ensure 'epel' is installed
open firefox go to http://www.rpmfusion.org/
(this is the time to install EPEL through rpmfusion if you need to. read the fine print at the bottom of the page, if you don't have it in already!)
and install their rhel6/centos6 or fedora 13-15 free and nonfree repositories, as you need, per their directions.
go back to Administration, Add/Remove Software
go to the highest version of nvidia kmod, and if you don't know your kernel number, open nautilus and go to /boot/grub/ and find the highest number there. click that number of nvidia module on the yumex listing. close nautilus.
go to the bottom of yumex and install it, and answer all the nag questions.
still in su -: #: gedit /boot/grub/menu.lst this may reside in /etc/grub or grub.conf on f15
add at the end of the very first 'kernel' line a space (you have to play with the space bar or arrow to get it right), then: rdblacklist nouveau (this kills the drivers that don't work which fedora installed, and no i don't know why they put them in)
enter at the #: shutdown -r now , or the 3-thumb thalute: Ctrl-Alt-Del
this is the way a 60 year-old truck driver does it. if you have a better one, put it in here, soon, please. tnx, LQ!
get a beer, and then enjoy your new hot 3d desktop! it's all yours! rock on!