Lights - HP ProBook 640 G2 Maintenance And Service Manual

Lights

Component
(1)
(2)
(3)
(4)
(5)
(6)
Power light
Microphone mute light
Num lock light
Wireless light
Mute light
Caps lock light
Description
On: The computer is on.
●
● Blinking: The computer is in the Sleep state, a power-saving
state. The computer shuts off power to the display and
other unneeded components.
Off: The computer is off or in Hibernation. Hibernation is a
●
power-saving state that uses the least amount of power.
● Amber: microphone sound is off.
● Off: microphone sound is on.
On: Num lock is on.
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 off.
● Amber: Computer sound is off.
Off: Computer sound is on.
●
On: Caps lock is on, which switches the key input to all capital
letters.
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