Left-side components
Item
Component
(1)
Power connector
(2)
RJ-11 (modem) jack
(3)
USB port
(4)
Vent
(5)
Optical drive (select models only)
(6)
Optical drive light
12
Chapter 2 External component identification
Function
Connects an AC adapter.
Connects a modem cable.
Depending on your computer model, the USB port is
either a standard USB port or a powered USB port. A
standard USB port connects an optional USB device. A
powered USB port provides power to an external device if
used with a powered USB cable.
Enables airflow to cool internal components.
NOTE:
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.
Reads an optical disc.
Blinking: The optical drive is being accessed.