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OptiPlex XE3 Small Form Factor
Service Manual
Regulatory Model: D11M
Regulatory Type: D11S004

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Table of Contents
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Summarization of Contents

Working on the Computer
Computer Safety Guidelines
General safety guidelines and warnings before working on the computer.
Turning Off the Computer
Step-by-step procedure to properly shut down the computer.
Preparing for Internal Work
Steps to take before and after performing internal computer maintenance.
System Components and Technology
DDR4 Memory Technology Overview
Details and specifications of DDR4 memory modules.
USB and HDMI Technologies Overview
Overview of USB functions, types, and HDMI 2.0 features.
Hardware Replacement Procedures
Side Cover Replacement Procedures
Instructions for removing and installing the computer's side cover.
Expansion Card Replacement Procedures
Procedures for removing and installing expansion cards.
Storage Drive Replacement Procedures
Procedures for removing and installing the hard drive assembly.
Front Bezel Replacement Procedures
Instructions for removing and installing the computer's front bezel.
Memory Module Replacement Procedures
Steps for removing and installing memory modules.
Processor Replacement Procedures
Detailed instructions for removing and installing the CPU.
Power Supply Unit (PSU) Replacement Procedures
Steps for removing and installing the power supply unit.
System Board Replacement Procedures
Procedures for removing and installing the computer's main system board.
Troubleshooting
ePSA Diagnostics Guide and Usage
Information and steps for using the ePSA diagnostic tool.
Error Message Interpretation
Explanations for diagnostic and system error messages.
Getting Help
Dell Support Contact Information
Information on how to reach Dell for technical assistance and service.

Table of Contents