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External component identification
Maintenance and Service Guide 2–9
(8) Caps lock light On: Caps lock is on.
(9) Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
(10) Volume mute light ■ On: Computer sound is on.
■ Amber: Computer sound is off.
(11) Volume down light Blinking: The volume down button is being used to decrease the speaker
volume.
(12) Volume up light Blinking: The volume up button is being used to increase the speaker volume.
*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.
Item Component Description