HP EliteBook 8440W Maintenance And Service Manual page 22

Item Component
(8) Caps lock light
(9) Num lock light
(10) Volume mute light
(11) Volume down light
(12) Volume up light
*The 2 wireless lights display the same information. The light on the wireless button is visible only when the computer is open.
The wireless light on the front of the computer is visible whether the computer is open or closed.
†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.
Maintenance and Service Guide
Description
On: Caps lock is on.
On: Num lock is on or the embedded numeric keypad is enabled.
■ On: Computer sound is on.
■ Amber: Computer sound is off.
Blinking: The volume down button is being used to decrease the speaker
volume.
Blinking: The volume up button is being used to increase the speaker volume.
External component identification
2–9