HP ProBook 445 G9 - Bottom

Table 2-7 Special keys and their descriptions (continued)
Component Description
● When the computer is on, press the button briey to
initiate Sleep.
● When the computer is in the Sleep state, press the button
briey to exit Sleep (select products only).
● When the computer is in Hibernation, press the button
briey to exit Hibernation.
IMPORTANT: 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 4 seconds to turn o the computer.
To learn more about your power settings, use the Power icon.
● Right-click the Power icon and then, depending on
your product, select Power and sleep settings or Power
Options.
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Use the illustration and table to identify the bottom component.
Table 2-8 Bottom component and description
Component Description
Vent Enables airow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal fan to
cycle on and o during routine operation.
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