External component identification
Left-side components
Item
Component
(1)
Power connector
(2)
AC adapter light
(3)
USB ports (2)
(4)
Optical drive
(5)
Optical drive light
2–8
Description
Connects an AC adapter.
■ On: The computer is connected to external power.
■ Off: The computer is not connected to external power.
Connect optional USB devices.
Reads optical discs and, on select models, also writes to optical discs.
Blinking: The drive is being accessed.
Maintenance and Service Guide