Buttons, Lights, And Speaker - HP 540 - Notebook PC Maintenance And Service Manual

Buttons, lights, and speaker

Item Component
(1) Caps lock light
(2) Wireless button
(3) Wireless light
(4) Power button
8 Chapter 2 External component identification
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.