ACPI Unable shutdown (newbee)

[Romina Batistini]

Hi! I am Romina, from Argentina.
I am New in FreeBSD and i wantto lear to use this system.
I always use Windows (from 95 to W7 the last beta) i like windows but i want
a powerfull operative system (unix) and FreeBSD i like so much.

After my presentation, and I hope it's not beyond boring, I go to tell my
problem.
I was in the FreeBSD forum and an admin told me to score this mailing list.
If you want to read a bit this is the link of my question ()
But step details here anyway.
I successfully installed FreeBSD struggle a bit but managed to install XFCE4
as desktop (such a succes for me that never went out of windows)
Although a tube problem from the start. In the installation of FreeBSD never
throw an error and everything was fine. But in the first boat (even without
the graphical environment) every 5 sec I get an error message which is:

ACPI ERROR (DSWSTATE-0185): Result stack is empy! State 0xc69b6920
[20070320]
ACPI EXCEPTION (DSUTILS-0766): EA_AML_NO_RETURN_VALUE, Missing or null
operand [20070320]
ACPI EXCEPTION (DSUTILS-0894): EA_AML_NO_RETURN_VALUE, While creating arg o
[20070320]
ACPI ERROR (psparce-0626): Method parse/execution failed [\_TZ_.THRM._TMP]
(node 0xc69b6920), AR_AML_NO_RETURN_VALUE

ACPI and seen as regards the "Power Management" (if I define it) FreeBSD
operating system.
Other thing is that when I'm in graphical environment (xfce4) will not let
me turn off the machine and to receive the following message:

UNABLE TO PRERFORM SHUTDOWN.
org.freedesktop.hal.power-management.reboot no <-- (action result)


I have the bios updated to the latest date.
They need some information about my hardware?
Can you help please? Although I am new in this great day nomas FreeBSD world
excites me very much and want to learn

PS: by the way: forgive my bad English, not very good jeje: D