Power Management - Linux

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 Suspend state, press the button
briefly to exit Suspend.
When the computer is in Hibernation, press the button briefly
to exit Hibernation.
If the computer has stopped responding and the operating system
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 Computer > Control Center > System > Power
Management.
(4) Power light
On: The computer is on.
Blinking: The computer is in the Suspend state.
Off: The computer is off or in Hibernation.
2 Chapter 1 Power control and light locations