External component identification

Left-side components

Item

Component

Description

 

 

 

(1)

Power connector

Connects an AC adapter.

 

 

 

(2)

AC adapter light

On: The computer is connected to external power.

 

 

Off: The computer is not connected to external power.

 

 

 

(3)

USB ports (2)

Connect optional USB devices.

 

 

 

(4)

Optical drive

Reads optical discs and, on select models, also writes to optical discs.

 

 

 

(5)

Optical drive light

Blinking: The drive is being accessed.

 

 

 

2–8

Maintenance and Service Guide