Lights
Component Description
(1) Power light ● On: The computer is on.
● O: The computer is o, in the Sleep state, or in Hibernation.
Sleep state is a power-saving state that shuts o power to
the display and other unneeded components. Hibernation is
a power-saving state that uses the least amount of power.
(2) Caps lock light On: Caps lock is on, which switches the key input to all
capital letters.
(3) Mute light ● On: Computer sound is o.
● O: Computer sound is on.
8 Chapter 2 External component identication