Anybody have problem to shut down and reboot the system?

mine stops all the things and then hangs with a black screen
no reboot
no shut down

OpenHaltRestart.kext doesn't work


Asus P5E, Intel X38, ICH9R, Intel Core 2 Duo E6400 2.13 Ghz, 2 Gb ram DDR2 1066MHZ, Audio AD1988B, Video Nvidia GeForce 8600 PciE, Pioneer DVD-RW DVD-R 110D, LG GH20N210 sata, Maxtor 6Y120M0, Maxtor 6V200E0, Bluetooth Broadcom, Lan Marvell88E8056, infrared e