HP ProBook 6550b HP ProBook User Guide - Windows XP - Page 22

Right-side components, the light turns off when all batteries in the computer are fully

Page 22 highlights

Component (3) Wireless light (4) Power light (5) Battery light (6) Drive light (7) Speaker Description ● Blue: An integrated wireless device (select models only), such as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. ● On: The computer is on. ● Blinking: The computer is in Standby. ● 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. Produces sound. Right-side components NOTE: Refer to the illustration that most closely matches your computer. 12 Chapter 1 Features

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Component
Description
(3)
Wireless light
Blue: An integrated wireless device (select models only), such
as a wireless local area network (WLAN) device, the HP
Mobile Broadband Module, and/or a Bluetooth® device, is on.
Amber: All wireless devices are off.
(4)
Power light
On: The computer is on.
Blinking: The computer is in Standby.
Off: The computer is off or in Hibernation.
(5)
Battery light
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.
(6)
Drive light
Blinking turquoise: The hard drive or optical drive (select
models only) is being accessed.
Amber: HP 3D DriveGuard has temporarily parked the hard
drive.
(7)
Speaker
Produces sound.
Right-side components
NOTE:
Refer to the illustration that most closely matches your computer.
12
Chapter 1
Features