HP ProBook 450 G10 Maintenance And Service Manual page 19

Table 2-5 Lights and their descriptions
Component
(1) Caps lock light
(2) Privacy key light
(3) Mute light
(4) Microphone mute light
(5) Power light
(6) Num lk light
(7) Fn lock light
Description
On: Caps lock is on, which switches the key input to all capital
letters.
On: Privacy screen is on, which helps prevent side-angle
viewing.
● On: Computer sound is off.
● Off: Computer sound is on.
● On: Microphone is off.
● Off: Microphone is on.
● On: The computer is on.
● Blinking (select products only): The computer is in
the Sleep state, a power-saving state. The computer
shuts off power to the display and other unnecessary
components.
● Off: Depending on your computer model, the computer
is off, in Hibernation, or in Sleep. Hibernation is the
power-saving state that uses the least amount of power.
On: Num lk is on.
On: The fn key is locked.
Lights 11