Dell OptiPlex 320: Desktop Computer — Back View

Desktop Computer — Back View: Dell OptiPlex 320

Table of contents

5 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 a description of light codes that can help you troubleshoot problems with your

computer see "System Lights" on page 33.

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

diagnostic code. For more information, see "Diagnostic Lights" on page 34.

7 link integrity light

Green — A good connection exists between a 10-Mbps network and the

computer.

Orange — A good connection exists between a 100-Mbps network and the

computer.

Off — The computer is not detecting a physical connection to the network.

8 headphone connector Use the headphone connector to attach headphones.

9 floppy drive Insert a floppy disk into this drive.

10 CD/DVD drive Insert a CD or DVD (if supported) into this drive.

11 location of Service Tag Use the Service Tag to identify your computer when you access the Dell Support

website or call technical support.

Desktop Computer — Back View

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2 3 4 6

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1 card slots Access connectors for any installed PCI and PCI Express Cards.

2 back-panel connectors Plug serial, USB, and other devices into the appropriate connector.

See "Desktop Computer — Back-Panel Connectors" on page 18.

3 power connector Insert the power cable into this connector.

Quick Reference Guide 17