External component identification
Maintenance and Service Guide 2–9
Left-side components
Item Component Description
(1) Battery light ■ Amber: A battery is charging.
■ Blue: 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 blinking 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.
(2) Power connector Connects an AC adapter.
(3) Vent Enables airflow to cool internal components.
✎
The computer fan starts up automatically to cool internal components
and prevent overheating. It is normal for the internal fan to cycle on and
off during routine operation.
(4) Powered USB port Provides power to a USB device, such as an optional external MultiBay or an
optional external optical drive, if used with a powered USB cable.
(5) DisplayPort Connects an external VGA monitor or projector.
(6) RJ-45 (network) jack Connects a network cable.
To Next Page
Loading...
