Dell OptiPlex SX280 Quick Reference Guide
DeII™ OptiPlex™ SX280
Quick Reference Guide
Notes, Notices, and Cautions

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NOTE: A NOTE indicates important information that helps you make better use of your computer.

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NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

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AUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.
Contents
Finding Information ..... 5
About Your Computer ..... 8
Front View ..... 8
Side View ..... 8
Back View ..... 9
Cable Cover and Power Adapter ..... 9
Setting Up Your Computer ..... 10
Determining Placement and Orientation of the Computer ..... 10
Installing a Device in the Module Bay ..... 11
Connecting External Devices ..... 12
Installing a Hard Drive ..... 15
Attaching the Optional Cable Cover ..... 16
Inside Your Computer ..... 16
Removing the Computer Cover ..... 16
Inside View ..... 17
Replacing the Computer Cover ..... 18
Solving Problems ..... 18
Dell Diagnostics ..... 19
Power Supply Light ..... 22
System Lights ..... 22
Diagnostic Lights ..... 23
Beep Codes ..... 26
Running the Dell™ IDE Hard Drive Diagnostics ..... 27
Resolving Software and Hardware Incompatibilities ..... 27
Using Microsoft® Windows® XP System Restore ..... 28
Reinstalling Microsoft® Windows® XP ..... 29
Using the Drivers and Utilities CD ..... 32
dex ..... 33
Finding Information
| What Are You Looking For? | Find It Here |
| • A diagnostic program for my computer • Drivers for my computer • My computer documentation • My device documentation • Desktop System Software (DSS) | Drivers and Utilities CD (also known as the ResourceCD) Documentation and drivers are already installed on your computer. You can use the CD to reinstall drivers, run the Dell Diagnostics, or access your documentation. Readme files may be included on your CD to provide last-minute updates about technical changes to your computer or advanced technical-reference material for technicians or experienced users. NOTE: The latest drivers and documentation updates can be found at support.dell.com. |
| • OS updates and patches | Desktop System Software (DSS) Located on the Drivers and Utilities CD and at support.dell.com. |
| • Warranty information • Safety instructions • Regulatory information • Ergonomics information • End User License Agreement | Dell $ \text{™} $ Product Information Guide NOTE: This document is available as a PDF at support.dell.com. |
| • How to remove and replace parts • Technical specifications • How to configure system settings • How to troubleshoot and solve problems | Dell OptiPlex $ \text{™} $ User's Guide Microsoft $ \text{®} $ Windows $ \text{®} $ XP Help and Support Center 1 Click the Start button and click Help and Support. 2 Click User's and system guides and click User's guides. |


| What Are You Looking For? | Find It Here |
| • Service Tag and Express Service Code • Microsoft Windows License Label | Service Tag and Microsoft Windows License These labels are located on your computer.
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