System information

Lights
Item Component Description
(1) Power light
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White: The computer is on.
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Blinking white: The computer is in the Sleep state.
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Off: The computer is off or in Hibernation.
(2) Webcam light On: The webcam is in use.
(3) Mute light
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Amber: Computer sound is off.
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Off: Computer sound is on.
(4) Wireless light
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White: An integrated wireless device, such as a
wireless local area network (WLAN) device and/or
a Bluetooth® device, is on.
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Amber: All wireless devices are off.
(5) Caps lock light On: Caps lock is on.
8 Chapter 2 External component identification