Dell OptiPlex 320: Removing the Computer Cover Before You Begin Before Working Inside Your Computer
Removing the Computer Cover Before You Begin Before Working Inside Your Computer: Dell OptiPlex 320
Table of contents
- Notes, Notices, and Cautions
- Contents
- Finding Information What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- Setting Up Your Computer Set Up Your Keyboard and Mouse
- Set Up Your Monitor
- Power Connections
- System Views Mini Tower Computer — Front View 3 floppy drive Insert a floppy disk into this drive.
- 9 headphone connector Use the headphone connector to attach headphones.
- Mini Tower Computer — Back View
- Mini Tower Computer — Back-Panel Connectors
- 7 microphone connector
- Desktop Computer — Front View
- Desktop Computer — Back View
- Desktop Computer — Back-Panel Connectors
- 9 video connector
- Removing the Computer Cover Before You Begin Before Working Inside Your Computer
- Mini Tower Computer
- 1 security cable slot
- Desktop Computer
- Inside Your Computer Mini Tower Computer
- System Board Components
- Jumper Settings Mini Tower Computer
- Jumper Setting Description Desktop Computer
- System Board Components
- Jumper Settings Desktop Computer
- Jumper Setting Description Solving Problems Dell Diagnostics When to Use the Dell Diagnostics
- Starting the Dell Diagnostics From Your Hard Drive Starting the Dell Diagnostics From the Drivers and Utilities CD
- Dell Diagnostics Main Menu Option Function Tab Function
- System Lights Power Light Problem Description Suggested Resolution
- Diagnostic Lights Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Beep Codes Code Cause Code Cause
- Resolving Software and Hardware Incompatibilities Using Microsoft Windows XP System Restore Creating a Restore Point Restoring the Computer to an Earlier Operating State
- Undoing the Last System Restore Enabling System Restore Reinstalling Microsoft Windows XP Before You Begin
- Reinstalling Windows XP Booting From the Operating System CD
- Windows XP Setup
- Using the Drivers and Utilities CD Drivers for Your Computer

Removing the Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
Before You Begin
NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your
computer.
1
Shut down the operating system:
a
Save and close any open files, exit any open programs, click the
Start
button, and then click
Tu rn
Off Computer
.
b
In the
Turn off computer
window, click
Tur n off
.
The computer turns off after the operating system shutdown process finishes.
2
Ensure that the computer and any attached devices are turned off. If your computer and attached
devices did not automatically turn off when you shut down your operating system, turn them off now.
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help
ensure your own personal safety.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a
card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by
its pins.
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing
that is not authorized by Dell is not covered by your warranty.
NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.
Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking
tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any
connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
To avoid damaging the computer, perform the following steps before you begin working inside the
computer.
1
Turn off your computer.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the
network wall jack.
20 Quick Reference Guide

