rootninja

Switch to the console by pressing CTRL-ALT- (The neighborhood button is the one on the left with the most dots where you see other XO’s and wifi hot spots around you)

Install xcompmgr.

$ su -
# yum install xcompmgr -y
# exit
$ vi ~/.xession

…and add the following line to automatically start during login:

xcompmgr -a &

If your screen doesn’t look quite like it did before, update your xorg-video

$ su -
# yum update xorg-video -y

If you want to revert to the way it was, just remove the .xession startup file.