HP ProBook 6440b Notebook-PC - Manual (Page 14)

Component Description
(5) QuickLook light ● On: The computer is on.
● Off: The computer is off or in the Sleep or Hibernation state.
(6) QuickWeb light On: The Web browser is in use.
(7) Caps lock light On: Caps lock is on.
(8) Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
(9) Volume mute light ● Turquoise: Speaker sound is on.
● Amber: Speaker sound is off.
(10) Volume down light Blinking: The volume down button is being used to decrease the
speaker volume.
(11) Volume up light Blinking: The volume up button is being used to increase the
speaker volume.
*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.
Component Description
(1) Wireless lights (2)* ● Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device, the HP Mobile Broadband
Module (select models only), and/or a Bluetooth® device, is
on.
● Amber: All wireless devices are off.
(2) Power lights (2) † ● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
4 Chapter 1 Features