HP 731179-151 User Manual

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Lights
Component
Description
(1)
Power light 
On: The computer is on.
Blinking: The computer is in the Sleep state (Windows)
or Suspend state (Linux).
Off: The computer is off (Windows) or in Hibernation
(Linux).
(2)
 
Caps lock light
On: Caps lock is on.
(3)
 Microphone 
mute 
light
Amber: microphone sound is off.
Off: microphone sound is on.
(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 and/or a
Bluetooth® device, is on.
Amber: All wireless devices are off.
(6)
Mute light
Amber: Computer sound is off.
Off: Computer sound is on.
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Chapter 2   External component identification