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Dell W26C User Manual

Dell W26C
106 pages
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OptiPlex 7490 All-In-One
Service Manual
Regulatory Model: W26C
Regulatory Type: W26C003/W26C004
April 2021
Rev. A00

Table of Contents

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Questions and Answers:

Dell W26C Specifications

General IconGeneral
BrandDell
ModelW26C
CategoryDesktop
LanguageEnglish

Summary

Working Inside Your Computer

Safety, Preparation, and ESD Protection

Essential safety guidelines, preparation steps, and ESD protection measures before computer servicing.

Post-Service Procedures

Steps to follow after completing internal computer maintenance and reassembly.

Removing and Installing Components

Tools, Screws, and Component Overview

Lists tools, screws, and provides an overview of major computer components.

Stand and Cover Service

Procedures for removing and installing the stand and covers.

Storage and Memory Module Service

Instructions for replacing hard drives, SSDs, and memory modules.

System Board and Processor Service

Steps for replacing the system board, processor, and related components.

Display Panel and Frame Service

Procedures for removing and installing the display panel and middle frame.

Drivers and Downloads

Updating Drivers and Software

Guidance on obtaining and installing necessary drivers and software updates for the system.

System Setup and BIOS Configuration

Entering and Navigating BIOS

Instructions on how to access and navigate the BIOS setup utility for system configuration.

System Setup Options and BIOS Updates

Explanation of BIOS settings and procedures for updating the system BIOS.

Troubleshooting and Diagnostics

Diagnostic Tools and Procedures

Instructions for running diagnostic tests, interpreting LED codes, and recovering the system.

Flashing BIOS

Step-by-step guides for updating the system BIOS via USB or Windows.

Getting Help and Contacting Dell

Self-Help Resources and Support

Information on accessing Dell's online resources and support channels for assistance.

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