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External component identification
Maintenance and Service Guide 2–5
Lights
Item Component Description
1
Caps lock light On: Caps lock is on.
2
Battery light (beside power connector) ■ Amber: A battery is charging.
■ Green: 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.
3
Power light ■ On: The computer is on.
■ Blinking: The computer is in the Sleep state.
■ Blinking rapidly: An AC adapter with a higher power rating
should be connected.
■ Off: The computer is off or in Hibernation.
4
QuickPlay light On: TheQuickPlay program is launched.
5
Wireless light ■ Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device, an HP Broadband Wireless
Module, and/or a Bluetooth® device, is on.
■ Amber: All wireless devices are off.
6
Volume mute light ■ Off: Computer sound is on.
■ On: Computer sound is off.
7
Volume down light Blinking: The volume scroll zone is being used to decrease
speaker volume.
8
Volume up light Blinking: The volume scroll zone is being used to increase
speaker volume.