HP ProBook 455 G1 Notebook PC - Manual (Page 15)

Lights
NOTE: Your computer may look slightly different from the illustration in this section.
Component Description
(1) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep
state.
● Off: The computer is off.
(2) Microphone mute lightl Amber: The microphone is off.
(3) Num lock light On: Num lock is on.
(4) 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.
(5) Mute light ● Off: Computer sound is on.
● Amber: Computer sound is off.
(6) Caps lock light On: Caps lock is on.
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