Installed nvidia drivers using #yum install kmod-nvidia only to find out a blank screen with blinking cursor on reboot.This problem is due to Nouveau driver taking control of the graphic card at an earlier point in the boot procedure.To fix this problem you should make sure that nvidia proprietary drivers are used rather than nouveau driver provided by default in Fedora 11+.
Follow the steps to fix this problem, before installing nvidia drivers ::
and append the following line in the bottom — “blacklist nouveau”
now open grub.conf file
and add this to end of lines starting with word kernel — “nouveau.modeset=0 vga=0x318”
#yum install kmod-nvidia
If you are stuck at blank screen on reboot go for alt+ctrl+f1 and follow the first two steps.