HP 4510s - ProBook - Celeron 1.8 GHz User Manual page 6

Component
(3) Power button
(4) Power light
2 Chapter 1 Power control and light locations
Description
●
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.
● On: The computer is on.
●
Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.