Power Management - Windows Vista

Component Description
(3) Power button
When the computer is off, press the button to turn on the
computer.
When the computer is on, press the button to shut down the
system.
When the computer is in the Sleep state, press the button
briefly to exit Sleep.
When the computer is in Hibernation, press the button briefly
to exit Hibernation.
If the computer has stopped responding and Windows® shutdown
procedures are ineffective, press and hold the power button for at
least 5 seconds to turn off the computer.
To learn more about your power settings and how to change them,
select Start > Control Panel > System and Maintenance >
Power Options.
(4) Power light
On: The computer is on.
Blinking: The computer is in the Sleep state.
Off: The computer is off or in Hibernation.
2 Chapter 1 Power control and light locations