Lights
Table 2-5 Lights and their descriptions
Component Description
(1) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts o power to the
display and other unneeded components.
● O: The computer is o or in Hibernation. Hibernation
is a power-saving state that uses the least amount of
power.
(2) Caps lock light On: Caps lock is on, which switches the key input to all
capital letters.
(3) Fn lock light On: The fn key is locked.
(4) Mute light ● On: Computer sound is o.
● O: Computer sound is on.
(5) Microphone mute light ● On: Microphone is o.
● O: Microphone is on.
(6) Wireless light On: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
NOTE: On some models, the wireless light is amber when
all wireless devices are o.
(7) Num lk light On: Num lock is on.
12 Chapter 2 Components
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