Lights
Item Component Description
(1) Power light
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state.
●
Off: The computer is off or in Hibernation.
(2) Caps lock light On: Caps lock is on.
(3) Microphone mute light On: Microphone is muted.
(4) Num lock light On: Num lock is on.
(5) Wireless light
●
White: An integrated wireless device, such as a wireless local area network
(WLAN) device, is on.
●
Amber: All wireless devices are off.
(6) Mute light
●
Off: Computer sound is on.
●
Amber: Computer sound is off.
12 Chapter 2 External component identification
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