This document is the quick reference guide for Dell OptiPlex GX520, providing information about the computer's precautions, hardware details, and operating instructions.
This Quick Reference Guide covers the most common tasks for the Dell OptiPlex GX520, including locating the Service Tag, using the Drivers and Utilities CD, and accessing Dell Diagnostics. It also explains the different chassis types (Mini‑tower, Desktop, Small Form Factor) and provides visual system views of each model.
The guide points users to online resources such as support.dell.com for driver updates, warranty information, and detailed troubleshooting articles. It includes quick instructions for reinstalling Windows XP, using system restore, and interpreting beep codes and diagnostic lights.
| Model numbers | DETR, DENE, DESM |
|---|---|
| Part number | X9201 Rev. A02 |
Drivers and documentation updates can be found at support.dell.com.
Use the Service Tag to identify your computer when you use support.dell.com or contact technical support.
You can run Dell Diagnostics from the Drivers and Utilities CD (see page 29).