hey sorry, i have try to type ACPI and i got this
root@bt:/home/radhit# acpi
Battery 0: Discharging, 56%, discharging at zero rate - will never fully discharge.
sorry i don't know how to...

hey guys,
i got problem with my laptop (toshiba nb205) running backtrack 4 r2. (new installation)
this is always hang when i leave it idle more than 2 minute.
i think it will going to standby...