HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 20

Buttons, switches, and speakers (select models only) - shuts down

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Buttons, switches, and speakers (select models only) NOTE: Your computer may look slightly different from the illustration in this section. Component (1) Speakers (2) (2) Internal display switch (3) Power button (4) Fingerprint reader (select models only) Description Produce sound. Turns off the display if the display is closed while the power is on. ● 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 computer. ● 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. Allows a fingerprint logon to Windows, instead of a password logon. 12 Chapter 2 External component identification

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Buttons, switches, and speakers (select models only)
NOTE:
Your computer may look slightly different from the illustration in this section.
Component
Description
(1)
Speakers (2)
Produce sound.
(2)
Internal display switch
Turns off the display if the display is closed while the power is on.
(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
computer.
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.
(4)
Fingerprint reader (select models only)
Allows a fingerprint logon to Windows, instead of a password
logon.
12
Chapter 2
External component identification