1

CD/DVD drive

Insert a CD or DVD (if applicable) into this drive.

2

floppy drive

Insert a floppy disk into this drive.

3USB 2.0 connectors (2) Connect USB devices such as a mouse, keyboard, memory key, printer, joystick, and computer speakers into either of the USB connectors.

 

 

It is recommended that you use the USB connectors on the back panel for devices that

 

 

typically remain connected, such as printers and keyboards.

 

 

 

4

LAN indicator light

This light indicates that a LAN (network) connection is established.

 

 

 

5

diagnostic lights

Use these lights to help you troubleshoot a computer problem based on the diagnostic

 

 

code. For more information, see "Diagnostic Lights" on page 32.

 

 

 

6

power button

Press this button to turn on the computer.

 

 

NOTICE: To avoid losing data, do not turn off the computer by pressing the power

 

 

button for 6 seconds or longer. Instead, perform an operating system shutdown.

 

 

NOTICE: If your operating system has ACPI enabled, when you press the power

 

 

button the computer will perform an operating system shutdown.

 

 

 

7

power light

The power light illuminates and blinks or remains solid to indicate different operating

 

 

states:

 

 

• No light — The computer is turned off.

 

 

• Steady green — The computer is in a normal operating state.

 

 

• Blinking green — The computer is in a power-saving mode.

 

 

• Blinking or solid amber — See "Power Problems" in your online User’s Guide.

 

 

To exit from a power-saving mode, press the power button or use the keyboard or the

 

 

mouse if it is configured as a wake device in the Windows Device Manager. For more

 

 

information about sleep modes and exiting from a power-saving mode, see "Power

 

 

Management" in your online User’s Guide.

 

 

See "System Lights" on page 31 for a description of power light patterns that can help

 

 

you troubleshoot problems with your computer.

 

 

 

8

hard-drive activity light

This light flickers when the hard drive is in use.

 

 

 

9

headphone connector

Use the headphone connector to attach headphones and most kinds of speakers.

 

 

 

10

microphone connector

Use the microphone connector to attach a microphone.

 

 

 

Quick Reference Guide

 

9