HP 550 HP 550 Notebook PC - Maintenance and Service Guide - Page 15

Buttons, lights, and speaker, Start > Control Panel &gt, System and Maintenance > Power Options

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Buttons, lights, and speaker Item (1) (2) Component Caps lock light Wireless button (3) Wireless light (4) Power button Function On: Caps lock is on. Turns the wireless feature on or off but does not establish a wireless connection. NOTE: You must set up or access a wireless network to establish a wireless connection. ● Blue: An integrated wireless device, such as a wireless local area network (WLAN) device, the HP Broadband Wireless Module, and/or a Bluetooth device, is on. ● Amber: All wireless devices are off. ● When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button to initiate Hibernation. ● When the computer is in the Sleep state (Windows Vista) or in Standby (Windows XP), press the button briefly to exit the Sleep state or Standby. ● 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. To learn more about power settings, follow these steps: ● In Windows Vista, select Start > Control Panel > System and Maintenance > Power Options. ● In Windows XP, select Start > Control Panel > Performance and Maintenance > Power Options Top components 7

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Buttons, lights, and speaker
Item
Component
Function
(1)
Caps lock light
On: Caps lock is on.
(2)
Wireless button
Turns the wireless feature on or off but does not establish
a wireless connection.
NOTE:
You must set up or access a wireless network to
establish a wireless connection.
(3)
Wireless light
●
Blue: An integrated wireless device, such as a
wireless local area network (WLAN) device, the HP
Broadband Wireless Module, and/or a Bluetooth
device, is on.
●
Amber: All wireless devices are off.
(4)
Power button
●
When the computer is off, press the button to turn on
the computer.
●
When the computer is on, press the button to initiate
Hibernation.
●
When the computer is in the Sleep state (Windows
Vista) or in Standby (Windows XP), press the button
briefly to exit the Sleep state or Standby.
●
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.
To learn more about power settings, follow these steps:
●
In Windows Vista, select
Start > Control Panel >
System and Maintenance > Power Options
.
●
In Windows XP, select
Start > Control Panel >
Performance and Maintenance > Power Options
Top components
7