HP ProBook 4545s HP ProBook 4545s Notebook PC - Maintenance and Service Guide - Page 16

Buttons speakers, and fingerprint reader (select models only), Component, Description

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Buttons speakers, and fingerprint reader (select models only) Component (1) (2) (3) Power button Speakers (2) Web browser button (select models only) Description ● 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 operating system shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. CAUTION: Emergency shutdown procedures result in the loss of unsaved information. To learn more about your power settings: ● Select Start>Control Panel>System and Security>Power Options. ● For more information, see the HP Notebook Reference Guide. Produce sound. Opens the default Web browser. 8 Chapter 2 External component identification

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Buttons speakers, and fingerprint reader (select models only)
Component
Description
(1)
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 operating
system shutdown procedures are ineffective, press and hold
the power button for at least 5 seconds to turn off the
computer.
CAUTION:
Emergency shutdown procedures result in the
loss of unsaved information.
To learn more about your power settings:
●
Select
Start>Control Panel>System and
Security>Power Options
.
●
For more information, see the
HP Notebook Reference
Guide
.
(2)
Speakers (2)
Produce sound.
(3)
Web browser button (select models only)
Opens the default Web browser.
8
Chapter 2
External component identification