2
External component identification
Front components
Item Component Function
(1)
Wireless antennae (select models only) Send and receive signals from one or more wireless devices. These
antennae are not visible from the outside of the computer.
NOTE: To see wireless regulatory notices, refer to the section of the
Regulatory, Safety, and Environmental Notices that applies to your
country or region. These notices are located in Help and Support.
(2)
Battery light
●
Amber: A battery is charging.
●
Green: A battery is close to full charge capacity.
●
Blinking amber: A battery that is the only available power source
has reached a low battery level. When the battery reaches a
critical battery level, the battery light begins to blink rapidly.
●
Off: If the computer is plugged into an external power source, the
light turns 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)
Audio-out (headphone) jack Produces sound when connected to optional stereo speakers,
headphones, ear buds, a headset, or television audio.
(4)
Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
Front components 5
