EasyManua.ls Logo

Dell OptiPlex 5055 Ryzen APU Tower - User Manual

Dell OptiPlex 5055 Ryzen APU Tower
85 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Dell OptiPlex 5055 Ryzen APU Tower
Owner's Manual
Regulatory Model: D11S
Regulatory Type: D11S003
June 2018
Rev. A00

Table of Contents

Questions and Answers

  • S
    Samantha KellerAug 19, 2025
    What to do if Dell OptiPlex 5055 Ryzen APU Tower power LED is blinking white?
    • T
      Terry CarterSep 12, 2025
      If the power LED light on your Dell Desktop is slowly blinking white, it indicates that the computer is in sleep mode. To bring the computer out of sleep mode, press the power button. Also, ensure all power cables, including the main power cable and front panel cable, are securely connected to the system board.
  • I
    Ian MarshallAug 21, 2025
    Why is the power LED on my Dell Desktop blinking amber?
    • H
      Heather RojasAug 21, 2025
      If the power LED light on your Dell Desktop is steady or blinking amber, it indicates that the computer fails to complete POST or there is a processor failure. Try removing and reinstalling any cards, including the graphics card if applicable. Also, ensure the power cable is connected to the system board and processor.
  • A
    Amanda ReevesAug 23, 2025
    What to do for memory failures on a Dell OptiPlex 5055 Ryzen APU Tower Desktop?
    • S
      Sabrina DanielsAug 23, 2025
      If your Dell Desktop is experiencing memory failures, try reseating the memory and swapping it with a known good memory module if available. If these steps don't resolve the issue, replace the memory.
  • C
    Christopher AlexanderAug 26, 2025
    How to troubleshoot possible memory failure on Dell Desktop?
    • P
      Patricia JohnsonAug 26, 2025
      If your Dell Desktop has a possible memory failure, try removing the memory modules one by one to determine which one has failed. If you identify a failed memory module, replace it. Otherwise, replace the motherboard.
  • B
    Brian MoralesAug 27, 2025
    How to fix memory configuration error on Dell OptiPlex 5055 Ryzen APU Tower?
    • C
      craigmoralesAug 28, 2025
      If your Dell Desktop has memory configuration or incompatible errors, try removing the memory modules one by one from the motherboard to determine which one has failed. Also, combine the modules in different configurations to validate an appropriate combination. If you identify a failed component, replace it. If none of the components have failed, replace the motherboard.
  • C
    christine33Aug 29, 2025
    How to fix Dell OptiPlex 5055 Ryzen APU Tower Desktop if power LED light is off?
    • N
      nicholasbarkerAug 29, 2025
      If the power LED on your Dell Desktop is off, first, re-seat the power cable in the power connector on the back of the computer and the electrical outlet. If your computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and is turned on. Try bypassing power protection devices, power strips, and power extension cables. Also, verify the electrical outlet is working by testing it with another device.
  • J
    Jordan SalazarSep 1, 2025
    How to resolve BIOS checksum failure on Dell OptiPlex 5055 Ryzen APU Tower Desktop?
    • R
      Ronald BensonSep 1, 2025
      If your Dell Desktop has a BIOS checksum failure, the system is in Recovery Mode. Flash the latest BIOS version. If the problem persists, replace the motherboard.
  • C
    cwalterSep 3, 2025
    What to do if Dell Desktop has no memory detected?
    • D
      Deanna BurnsSep 3, 2025
      If your Dell Desktop is not detecting memory, try removing the memory modules one by one to determine which one has failed. If available, swap each module with a known good memory module to confirm. Replace the faulty memory. If none of the memory modules have failed, replace the motherboard.
  • S
    Susan HuertaSep 5, 2025
    How to troubleshoot PCIe device failures on Dell OptiPlex 5055 Ryzen APU Tower?
    • J
      Jose ChavezSep 5, 2025
      If your Dell Desktop has PCIe device or video subsystem failures, try reseating the PCIe card and removing them one by one to determine which card has failed. If you identify a failed PCIe card, replace it. If none of the PCIe cards have failed, replace the motherboard.
  • J
    Jesse SilvaSep 7, 2025
    How to fix video subsystem failure on Dell OptiPlex 5055 Ryzen APU Tower Desktop?
    • L
      Lisa PittsSep 7, 2025
      If your Dell Desktop has a video subsystem failure, try removing the cards one by one to determine which card has failed. If you identify a failed card, replace it. If none of the cards have failed, replace the motherboard.

Summary

Working on your computer

Safety instructions

Guidelines to protect computer from damage and ensure personal safety.

Turning off your computer

Procedures for safely shutting down the computer using Windows.

Before working inside your computer

Steps to take before performing internal computer work to prevent damage.

After working inside your computer

Steps to reconnect external devices and power after internal work.

Chassis Overview

Front chassis view

Illustrates and labels the front view of the computer chassis.

Back chassis view

Illustrates and labels the rear view of the computer chassis.

Field Service Information

Screw size list

Lists screw types and quantities used for system components.

Recommended tools

Lists essential tools required for performing service procedures.

Critical callouts

Highlights key disassembly and replacement instructions for technicians.

Trusted Platform Module

Explains the function and importance of the Trusted Platform Module (TPM).

System Board Configuration

Instructions for configuring a new system board after replacement.

BIOS Configuration Options

Details on BIOS options like data wipe and jumper settings.

LED Error Codes

Explains LED error codes after coin cell replacement and their resolution.

Safety Precautions

Electrostatic discharge-ESD protection

Risks and importance of ESD protection, handling, and kits.

ESD field service kit

Details the components of the unmonitored ESD field service kit.

Components of an ESD field service kit

Lists and describes the items included in an ESD field service kit.

Transporting sensitive components

Guidelines for safely transporting ESD-sensitive components.

Lifting equipment

Provides guidelines for safely lifting heavy equipment.

Disassembly and Reassembly

Side Cover

Step-by-step guide to remove the computer's side cover.

Front Bezel

Step-by-step guide to remove the computer's front bezel.

Front panel door

Instructions for opening and operating the computer's front panel door.

Storage Devices

Removing 3.5-inch hard drive assembly

Step-by-step guide to remove a 3.5-inch hard drive assembly.

Removing 3.5-inch hard drive from the hard drive bracket

Detailed steps to remove a 3.5-inch hard drive from its bracket.

Installing 3.5-inch hard drive into the hard drive bracket

Steps to install a 3.5-inch hard drive into its bracket.

Installing 3.5-inch hard drive assembly

Steps to install the 3.5-inch hard drive assembly into the computer.

Removing 2.5-inch hard drive assembly

Step-by-step guide to remove a 2.5-inch hard drive assembly.

Removing 2.5-inch hard drive from the hard drive bracket

Detailed steps to remove a 2.5-inch hard drive from its bracket.

Installing 2.5-inch hard drive into the hard drive bracket

Steps to install a 2.5-inch hard drive into its bracket.

Installing 2.5-inch hard drive assembly

Steps to install the 2.5-inch hard drive assembly into the computer.

Optical Drive

Removing optical drive

Step-by-step guide to remove the optical drive.

Installing optical drive

Steps to install the optical drive into the computer.

M.2 PCIe SSD

Removing optional M.2 PCIe SSD

Step-by-step guide to remove the optional M.2 PCIe SSD.

Installing optional M.2 PCIe SSD

Steps to install the optional M.2 PCIe SSD.

SD Card Reader

Removing SD card reader

Step-by-step guide to remove the SD card reader.

Installing SD card reader

Steps to install the SD card reader.

Memory Modules

Removing memory module

Step-by-step guide to remove a memory module.

Installing memory module

Steps to install a memory module.

Expansion Cards

Removing PCIe expansion card

Step-by-step guide to remove a PCIe expansion card.

Installing PCIe expansion card

Steps to install a PCIe expansion card.

Power Supply Unit (PSU)

Removing power supply unit - PSU

Step-by-step guide to remove the Power Supply Unit (PSU).

Installing power supply unit - PSU

Steps to install the Power Supply Unit (PSU).

Intrusion Switch

Removing intrusion switch

Step-by-step guide to remove the intrusion switch.

Installing intrusion switch

Steps to install the intrusion switch.

Power Switch

Removing power switch

Step-by-step guide to remove the power switch.

Installing power switch

Steps to install the power switch.

Speaker

Removing speaker

Step-by-step guide to remove the speaker.

Installing speaker

Steps to install the speaker.

Coin-Cell Battery

Removing coin cell battery

Step-by-step guide to remove the coin cell battery.

Installing coin cell battery

Steps to install the coin cell battery.

Heat Sink Assembly

Removing heat sink assembly

Step-by-step guide to remove the heat sink assembly.

Installing heat sink assembly

Steps to install the heat sink assembly.

Processor

Removing the processor

Step-by-step guide to remove the processor.

Installing the processor

Steps to install the processor.

System Fan

Removing the system fan

Step-by-step guide to remove the system fan.

Installing the system fan

Steps to install the system fan.

VGA Daughterboard

Removing the VGA daughter board

Step-by-step guide to remove the VGA daughter board.

Installing the VGA daughter board

Steps to install the VGA daughter board.

System Board

System Board Removal

Comprehensive guide for removing the system board.

System Board Installation

Comprehensive guide for installing the system board.

System Board Layout

Explains the motherboard layout and component connector locations.

Technology and Components

Systems Management Features

Overview of systems management options like Dell Client Command Suite.

In-Band Management

Details on Dell Client Command Suite for in-band management.

Out-of-Band Management

Explanation of Out-of-Band Systems Management using DASH.

AMD Processors and Graphics

Information on AMD APUs, Ryzen CPUs, graphics, and chipsets.

DDR4 Memory

Explanation of DDR4 memory technology and differences.

USB Features and Speed

Details on USB features, speed, applications, and compatibility.

Active State Power Management

Explanation of Active State Power Management (ASPM) for power saving.

System Setup and BIOS

Boot Menu and Setup Options

How to access and use the boot menu and system setup options.

BIOS Update Procedures

Guides for updating BIOS via Windows and F12 boot menu.

Technical Specifications

Chipset and Processor Specifications

Details specifications for chipset and processor.

Memory, Video, Audio, Network Specifications

Details specifications for memory, video, audio, and network.

Expansion Bus and Wireless Specifications

Details specifications for expansion buses and wireless cards.

Drive and External Connector Specifications

Details specifications for drives and external connectors.

System Controls and Indicators

Computer Controls and Lights

Description of controls and indicator lights on the computer.

Power Specifications

Details the wattage, voltage, and frequency for power.

Physical Dimensions

Provides physical dimensions and weight for the tower.

Environmental Specifications

Environmental Specifications

Details operating and non-operating environmental conditions.

Troubleshooting

Diagnostic and Power LED Codes

Explains LED codes, their causes, and troubleshooting steps.

ePSA Diagnostics

Information on using ePSA diagnostics for hardware checks.

Getting Help

Contacting Dell Support

Instructions on how to contact Dell support for assistance.

Dell OptiPlex 5055 Ryzen APU Tower Specifications

General IconGeneral
Form FactorTower
ProcessorAMD Ryzen™ PRO Processors
GraphicsIntegrated AMD Radeon Graphics
Operating SystemWindows 10 Pro
Expansion Slots1x PCIe x16, 1x PCIe x4, 1x PCIe x1
Front Ports2x USB 3.1 Gen 1
Rear Ports1x VGA, 1x DisplayPort, 1x RJ-45, 1x Line-out
PortsRefer to Front and Rear Ports

Related product manuals