HP ProBook 645 G4 - Buttons, Speakers, and Fingerprint Reader

Buttons, speakers, and ngerprint reader
Component Description
(1) Power button
●
When the computer is o, press the button to turn on the computer.
●
When the computer is on, press the button briey to initiate Sleep.
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When the computer is in the Sleep state, press the button briey to exit Sleep.
●
When the computer is in Hibernation, press the button briey to exit Hibernation.
CAUTION: Pressing and holding down the power button results in the loss of unsaved
information.
If the computer has stopped responding and shutdown procedures are ineective, press
and hold the power button for at least 5 seconds to turn o the computer.
To learn more about your power settings, see your power options.
▲
Right-click the Power meter icon and then select Power Options.
(2) Speakers Produce sound.
(3) Fingerprint reader (select
products only)
Allows a ngerprint logon to Windows, instead of a password logon.
12 Chapter 2 Components