Lights
Item Component Function
(1)
Power lights (2)
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state (Windows Vista)
or in Standby (Windows XP).
●
Blinking rapidly: An AC adapter with a higher power rating
must be connected.
●
Off: The computer is off or in Hibernation.
(2)
Wireless lights (2)
●
On: An integrated wireless device, such as a wireless local
area network (WLAN) device, a wireless wide-area network
(WWAN) device, and/or a Bluetooth device is turned on.
●
Off: All wireless devices are turned off.
(3)
Caps lock light On: Caps lock is on.
(4)
Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
(5)
Volume mute light (select models only)
●
Off: Computer sound is turned on.
●
On: Computer sound is turned off.
(6)
Volume down light (select models only) Blinking: The volume scroll zone is being used to decrease speaker
volume.
(7)
Volume up light (select models only) Blinking: The volume scroll zone is being used to increase speaker
volume.
(8)
Battery light
●
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
14 Chapter 2 External component identification ENWW
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