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Dell D29M - User Manual

Dell D29M
86 pages
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OptiPlex 3090 Tower
Service Manual
Regulatory Model: D29M
Regulatory Type: D29M001
October 2021
Rev. A00

Table of Contents

Other manuals for Dell D29M

Questions and Answers

  • A
    Andrew JohnsonSep 16, 2025
    How to fix 'Keyboard Data Line Failure' on a Dell D29M Desktop?
    • S
      Steven SheppardSep 16, 2025
      To fix a 'Keyboard Data Line Failure' on your Dell Desktop, for external keyboards, check the cable connection. Run the Keyboard Controller test in Dell Diagnostics.
  • R
    Ronald Johnson Jr.Sep 16, 2025
    How to fix 'Memory Address Line Failure' on a Dell D29M Desktop?
    • K
      Katherine ChandlerSep 16, 2025
      To resolve a 'Memory Address Line Failure' on your Dell Desktop, reinstall the memory module or, if necessary, replace it.
  • W
    William LeeAug 27, 2025
    What does power rail failure mean for Dell D29M Desktop?
    • S
      Sharon StewartAug 27, 2025
      If your Dell Desktop is experiencing a power rail failure, it means the EC ran into a power sequencing failure. If the problem persists, replace the system board.
  • D
    David LittleAug 31, 2025
    What does 'Decreasing available memory' mean on my Dell Desktop, and how can I fix it?
    • T
      Tommy WarnerAug 31, 2025
      If your Dell Desktop shows 'Decreasing available memory', one or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them.
  • P
    paulwhitakerAug 31, 2025
    What to do if my Dell Desktop displays 'The file being copied is too large for the destination drive'?
    • A
      Alexander BrownAug 31, 2025
      If your Dell Desktop says that the file being copied is too large for the destination drive, try copying the file to a different disk or use a larger capacity disk.
  • R
    Rebecca WagnerAug 30, 2025
    What to do if my Dell D29M shows 'Time-of-day clock stopped'?
    • B
      Benjamin KennedyAug 30, 2025
      If your Dell Desktop displays the message 'Time-of-day clock stopped', connect your computer to an electrical outlet to charge the battery.
  • M
    Ms. Nicole Johnson MDAug 30, 2025
    What to do if my Dell D29M shows 'Time-of-day clock lost power'?
    • M
      Matthew Buck PhDAug 30, 2025
      If your Dell Desktop displays the message 'Time-of-day clock lost power', connect your computer to an electrical outlet to charge the battery.
  • S
    Shelly McdanielAug 30, 2025
    What to do if my Dell Desktop shows 'No boot device available'?
    • V
      veronica93Aug 30, 2025
      If your Dell Desktop displays 'No boot device available', and you are using a hard drive, make sure that the drive is installed, properly seated, and partitioned as a boot device.
  • D
    David MarshallAug 29, 2025
    What to do if my Dell D29M says 'Bad command or file name'?
    • L
      Lisa MortonAug 29, 2025
      If you receive a 'Bad command or file name' error on your Dell Desktop, ensure that you have spelled the command correctly, have put spaces in the proper place, and have used the correct path name.
  • H
    hickmanannaAug 29, 2025
    What to do if my Dell D29M Desktop says 'Insert bootable media'?
    • J
      josephedwardsAug 29, 2025
      If your Dell Desktop displays the message 'Insert bootable media', the suggested solution is to insert bootable media into your computer.

Summary

Working Inside Your Computer

Safety Guidelines and Precautions

Essential safety instructions and precautions for working inside the computer to prevent damage and injury.

Electrostatic Discharge (ESD) Protection

Measures to prevent damage from static electricity, including using ESD kits and proper handling.

Preparing for Internal Service

Steps to safely prepare the computer before internal work, including shutdown and power disconnection.

Post-Service Reassembly

Procedures for safely reassembling the computer after internal service is completed.

Removing and Installing Components

Chassis Access: Side Cover and Front Bezel

Procedures for removing the side cover and front bezel to access internal components.

Storage Drive Installation and Removal

Guides for installing and removing 2.5-inch drives, 3.5-inch drives, and M.2 SSDs.

Memory Module Handling

Instructions for installing and removing system memory modules from the motherboard.

Processor and Cooling System Replacement

Procedures for replacing the CPU, heat sink, and fan assembly for thermal management.

System Board Replacement

Comprehensive guide for removing and installing the computer's main motherboard.

BIOS Setup and Configuration

Accessing and Navigating BIOS Setup

Steps to enter the BIOS setup utility and navigate menus using keyboard keys.

System Configuration Options

Overview of general options, system information, boot sequence, and security configurations.

BIOS Update Procedures

Instructions for updating the system BIOS via Windows, USB drive, or the F12 boot menu.

Troubleshooting and Diagnostics

Dell SupportAssist Pre-boot Diagnostics

Using built-in diagnostics to perform a complete hardware check and identify issues.

Diagnostic LED Behavior Interpretation

Understanding diagnostic LED blinking patterns to identify specific hardware problems.

Operating System Recovery

Procedures for recovering the operating system using Dell SupportAssist OS Recovery for boot issues.

Getting Help and Contacting Dell

Self-Help Resources

Information on utilizing Dell's online resources, My Dell app, and knowledge base for support.

Contacting Dell Support

Information on how to contact Dell for sales, technical support, or customer service issues.

Dell D29M Specifications

General IconGeneral
BrandDell
ModelD29M
CategoryDesktop
LanguageEnglish

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