HP EliteBook 820 G1 Notebook PC - Manual (Page 14)

Lights
Component Description
(1) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
(2) Caps lock light On: Caps lock is on.
(3) Microphone mute light On: Microphone is muted.
(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, is on.
● Amber: All wireless devices are off.
(6) Mute light ● Amber: Computer sound is off.
● Off: Computer sound is on.
4 Chapter 2 Getting to know your computer