HP Envy 15-1002xx Notebook PC - Manual (Page 14)

Button
Component Description
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, 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, select Start > Control
Panel > System and Security > Power Options.
4 Chapter 1 Notebook tour