Maintenance and Service Guide
Table 2-5 Lights and their descriptions
Component Description
(1) Power light ● On: The computer is on.
● Blinking (select products only): The computer is in the
Sleep state, a power-saving state. The computer shuts o
power to the display and other unnecessary components.
● O: Depending on your computer model, the computer is
o, in Hibernation, or in Sleep. Hibernation is the 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.
(2) Mute light ● On: Computer sound is o.
● O: Computer sound is on.
Button
Use the illustration and table to identify the computer button.
Table 2-6 Button and its description
Component Description
(1) Power button ● When the computer is o, press the button briey to turn
on the computer.
● When the computer is on, press the button briey to
initiate Sleep.
● When the computer is in the Sleep state, press the
button briey to exit Sleep (select products only).
10 Chapter 2 Components