Right
Component Description
(1)
USB 3.0 port Connects an optional USB device.
(2)
USB 2.0 port Connects an optional USB device.
(3) Optical drive (select models only) Reads and writes (select models only) to an optical disc.
(4) Optical drive light (select models only) ● On: The optical drive is being accessed.
●
Off: The optical drive is idle.
(5) Optical drive eject button (select models
only)
Releases the optical drive disc tray.
(6)
Power connector Connects an AC adapter.
(7) AC adapter/battery light ● White: The computer is connected to external power
and the battery is charged from 90 to 99 percent.
● Amber: The computer is connected to external power
and the battery is charged from 0 to 90 percent.
●
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: The battery is fully charged.
18 Chapter 2 External component identification
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