Hi Filippos, > I would suggest to remove the apm=on line from the kernel arguments. > It > instructs the > kernel to turn off ACPI and turn on APM but if APM is not supported > in the > BIOS then nothing > will happen as you see the /proc/apm directory is not created. I tried it before with no improvement. PC still can't be power-off. Anyway I'll remove it because it has no function at all. B.R. SL > > On 4/26/06, Stephen Liu <satimis@xxxxxxxxx> wrote: > > > > Hi folks, > > > > # poweroff > > and > > # shutdown -h now > > > > oly halted the system but not power off > > > > > > I ran following test. > > > > # cat /etc/grub/grub.conf > > ....... > > kernel /vmlinuz-2.6.16-1.2096_FC5 ro root=LABEL=/ rhgb > noapic > > apm=on quiet > > ....... > > > > # modprobe acpi > > No printout > > > > # modprobe apm > > FATAL: Module apm not found. > > > > # cat /proc/acpi > > cat: /proc/acpi: No such file or directory > > > > # cat /proc/apm > > cat: /proc/apm: No such file or directory > > > > > > Any advice? TIA > > > > B.R. > > SL