External component identification

Front components

Item

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)

Battery light

■ On: A battery is charging.

 

 

■ Blinking: A battery that is the only available power source has reached a

 

 

low battery level or a critical battery level.

 

 

■ Off: If the computer is plugged into an external power source, the light is

 

 

turned off when all batteries in the computer are fully charged. If the

 

 

computer is not plugged into an external power source, the light stays off

 

 

until the battery reaches a low battery level.

 

 

 

(3)

Drive light

Blinking: The hard drive or optical drive is being accessed.

 

 

 

(4)

Consumer infrared lens

Receives a signal from the remote control (provided with select models only).

 

 

 

(5)

Audio-in (microphone) jack

Connects an optional computer headset microphone, stereo array

 

 

microphone, or monaural microphone.

 

 

 

(6)

Audio-out (headphone) jack

Produces sound when connected to optional powered stereo speakers,

 

 

headphones, ear buds, a headset, or television audio.

 

 

 

2–6

Maintenance and Service Guide