HP ProBook 450 G1 Notebook PC - Manual (Page 14)

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 Suspend state.
● Off: The computer is off or in Hibernation.
(2) Microphone mute light Amber: 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 ● Amber: Computer sound is off.
● White: Computer sound is on.
(6) Caps lock light On: Caps lock is on.
4 Chapter 2 Getting to know your computer