[CentOS] Shut down DN2820FYKH with power button

Hello.

I've installed CentOS6.5 x86_64 on DN2820FYKH.
I want to shut down with power button.
But, the acpid daemon cannot work correctly.

And, after I selected grub menu, the error message
"ACPI: Unable to load the System Description Tables"
is displayed.
Does this message relate to the issue?

I've checked, but the issue doesn't solve:
*BIOS update
==> BIOS ver.0028 to 0038(latest)
*BIOS setting
*Legacy/UEFI boot
*CentOS setting
==> /proc/acpi/ directory does not exist.

Please can anyone help me with this issue?

Regards,
Onobori