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Lights
Component Description
(1) Power lights (2)* On: The computer is on.
Blinking: The computer is in standby.
Off: The computer is off or in hibernation.
(2) Battery light On: A battery is charging.
Blinking: A battery that is the only available power source has
reached a low-battery condition or a critical low-battery condition.
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 condition.
(3) Drive light Blinks when the hard drive or optical drive is being accessed.
(4) Caps lock light On: Caps lock is on.
(5) Media button light Blinks once when the media button has been pressed.
(6) Volume mute light Blue: Computer sound is turned on.
Amber: Computer sound is turned 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.
(9) Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
*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.
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