HP ProBook 6455b Maintenance And Service Manual page 32

Item Component
(1) Wireless lights (2)*
(2) Power lights (2)†
(3) Battery light
(4) Drive light
(5) QuickLook light
(6) QuickWeb light
(7) Caps lock light
(8) Num lock light
(9) Volume mute light
(10) Volume down light
24 Chapter 2 External component identification
Description
●
Blue: An integrated wireless device, such as a
WLAN device, the HP Mobile Broadband Module
(select models only), and/or a Bluetooth device, is
on.
●
Amber: All wireless devices are off.
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state
(Windows 7 and Windows Vista) or Standby
(Windows XP).
●
Off: The computer is off or in Hibernation.
●
Amber: A battery is charging.
●
Turquoise: A battery is close to full charge capacity.
●
Blinking amber: A battery that is the only available
power source has reached a low battery level.
When the battery reaches a critical battery level, the
battery light begins blinking rapidly.
●
Off: If the computer is plugged into an external
power source, the light turns off when all batteries in
the computer are fully charged. If the computer is
not plugged into an external power source, the light
stays off until the battery reaches a low battery level.
●
Blinking turquoise: The hard drive or optical drive
(select models only) is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked
the hard drive.
●
On: The computer is on.
●
Off: The computer is off or in the Sleep state
(Windows 7 and Windows Vista) or Standby
(Windows XP) or Hibernation.
On: The Web browser is in use.
On: Caps lock is on.
On: Num lock is on or the embedded numeric keypad is
enabled.
●
Turquoise: Speaker sound is on.
●
Amber: Speaker sound is off.
Blinking: The volume down button is being used to
decrease the speaker volume.