HP Presario CQ40-200 Compaq Presario CQ40 Notebook PC - Maintenance and Servic - Page 16

Buttons and speakers, External component identification

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Component Description (8) Volume up light On: The volume scroll zone is being used to increase speaker volume. (9) Num lock light On: Num lock is on or the embedded numeric keypad is enabled. *The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The power light on the front of the computer is visible whether the computer is open or closed. Buttons and speakers Component (1) Speakers (2) (2) Power button* (3) Media button Description Produce sound. ● When the computer is off, press the button to turn on the computer. ● When the computer is on, briefly press the button to initiate Sleep. ● When the computer is in the Sleep state, briefly press the button to exit Sleep. ● When the computer is in Hibernation, briefly press the button 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 Maintenance > Power Options. ● Launches the QuickPlay program (for models with QuickPlay preinstalled). ● Launches the DVDPlay program (for models with DVDPlay preinstalled). 8 Chapter 2 External component identification

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Component
Description
(8)
Volume up light
On: The volume scroll zone is being used to increase speaker
volume.
(9)
Num lock light
On: Num lock is on or the embedded numeric keypad is enabled.
*The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The
power light on the front of the computer is visible whether the computer is open or closed.
Buttons and speakers
Component
Description
(1)
Speakers (2)
Produce sound.
(2)
Power button*
●
When the computer is off, press the button to turn on the
computer.
●
When the computer is on, briefly press the button to initiate
Sleep.
●
When the computer is in the Sleep state, briefly press the
button to exit Sleep.
●
When the computer is in Hibernation, briefly press the button
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 Maintenance
>
Power Options
.
(3)
Media button
●
Launches the QuickPlay program (for models with QuickPlay
preinstalled).
●
Launches the DVDPlay program (for models with DVDPlay
preinstalled).
8
Chapter 2
External component identification