Hello After install fedora core 3 and update with the latest updates include nVidia 3D driver. But my system can not complete shutdown anymore with poweroff, /sbin/shutdown -h now or any other method for that matter. On the shutdown screen it go through the usually stuff . . power down acpi_power_off called => then freeze. I have to reset and shutdown manually. Does anyone know what is cause of this? and solution. thx