HP ProBook 6545b Maintenance And Service Manual page 25

Item Component
Lights (continued)
(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
(11) Volume up light
(12) Calculator 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
■ 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.
Blinking: The volume up button is being used to increase the speaker volume.
On: The Windows calculator function is on.
External component identification
2–9