HP Compaq Presario CQ42-152TU Notebook PC - Manual (Page 14)

Button and speakers
Component Description
(1) Speakers (2) Produce sound.
(2) Power button ● When the computer is off, press the button to turn on the
computer.
● When the computer is on, press the button briefly to initiate
Sleep.
● When the computer is in the Sleep state, briefly press the
button to exit Sleep.
● When the computer is in Hibernation, briefly press the
button 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, select Start > Control
Panel > System and Security > Power Options.
4 Chapter 1 Features