ken wrote: >> No, I'm not the OP. But, I found a solution for my system. >> >> During boot, I noticed an error line -- >> "BIOS fails cutoff age - ACPI might not work. Use acpi=force to fix." >> >> So I did; the machine now actually turns off after shutdown. > > Great work, Michael! Where did you insert/type in "acpi=force"? In /boot/grub/grub.conf, there is a line (there may be more) that begins with 'kernel' - put it at the end of that line.