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PowerEdge R420XR

PowerEdge R420XR

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The PowerEdge embedded LifeCycle Controller provides a simplified method for installation of supported Windows Server and Linux server operating systems with the OS Deployment feature. This article explains how to use the iDRAC LifeCycle Controller to install a supported operating system on most Dell PowerEdge servers. Step-by-step instructions and OS installation videos for Windows Server, Ubuntu Server LTS, SUSE Linux Enterprise Server, or Red Hat Enterprise Linux installation with LifeCycle Controller
Updated:  February 10, 2026 ID: 000130160

This article presents opportunities to understand and troubleshoot some common causes of fan noise in a PowerEdge server.
Updated:  February 10, 2026 ID: 000227912

This article addresses an issue in which conversion of Windows Server from an evaluation to a fully licensed edition fails. The error that is returned appears to indicate a problem with the supplied product key, but the key is known to be valid.
Updated:  February 20, 2026 ID: 000204465

To replace a CMOS battery, remove the air shroud, disconnect and remove any expansion cards, locate the battery socket, and carefully pry out the CMOS battery. After installing a new CMOS battery, you must reinstall the expansion cards, install the air shroud, and restore the BIOS settings, ensuring the battery is operating properly and the correct data and time are set in the System Setup.
Updated:  February 19, 2026 ID: 000234357

Find answers and resources to get started or do more from your MyService360 dashboard with enterprise services data analytics and visualizations.
Updated:  February 17, 2026 ID: 000124666

How to use the PowerEdge Server ePSA tools to stress test the CPU.
Updated:  February 16, 2026 ID: 000289909

This article provides information about how to use the LCC to deploy a supported OS.
Updated:  February 13, 2026 ID: 000334676

The file upload function of Dell TechDirect allows sending data directly to Dell Technical Support. Follow these eight steps to provide necessary information to your contact at Dell Support.
Updated:  February 07, 2026 ID: 000139072

This is the start-up page for a new Dell PowerEdge Server with an Integrated Dell Remote Access Controller (iDRAC). The article details system installation, use of the iDRAC, LifeCycle Controller (LCC) configuration, and installing an operating system.
Updated:  February 06, 2026 ID: 000123958

Dell PowerEdge servers with common design components are grouped into generations, for example PowerEdge 17th generation servers, 16th generation, 15th generation, or 14th generation. This article provides general guidance for PowerEdge server model naming convention to identify the generation and common components. This article also lists all PowerEdge servers by model including type, CPU, generation, and remote management components.
Updated:  January 29, 2026 ID: 000137343

Information about servicing and troubleshooting issues in your Dell PowerEdge Rack and Tower servers' hardware and System Management tools
Updated:  January 28, 2026 ID: 000203864

Understand and troubleshoot PowerEdge hard disk drives, RAID, PowerEdge RAID Controller, and other storage hardware such as cables, backplane, so forth.
Updated:  January 26, 2026 ID: 000110444

This article provides the recommended steps to help troubleshoot memory-related events on Dell PowerEdge servers.
Updated:  January 26, 2026 ID: 000304931

Explore various RAID levels - RAID 0, 1, 5, 6, and 10 - implemented in Dell PowerEdge servers. Learn about their configurations, benefits, and how they impact data redundancy and performance.
Updated:  January 23, 2026 ID: 000128635

This article provides PowerEdge server troubleshooting for No Power, No POST, No Boot and No Video issues. This includes blade, rack, and tower servers.
Updated:  January 23, 2026 ID: 000152161

This article explains how to use iDRAC Direct to manage your PowerEdge server.
Updated:  January 22, 2026 ID: 000130077

This article describes how to export the Tech Support Report (TSR) and SupportAssist Collection using the Dell iDRAC7, iDRAC8 graphical or command-line user interface.
Updated:  January 19, 2026 ID: 000126803

This article provides a brief introduction to the Intel® VROC and describes how to configure it on Dell PowerEdge servers.
Updated:  January 19, 2026 ID: 000125271

This article provides information about the VLT0204 error code and guidance.
Updated:  January 15, 2026 ID: 000403266

When working on internal components of a Dell computer, follow the safety precautions that are provided in this article to avoid any harm on the hardware.
Updated:  January 15, 2026 ID: 000175301

This article describes how to install RACADM on VMware ESXi and demonstrates how to change the iDRAC IP address using RACADM commands.
Updated:  January 15, 2026 ID: 000193731

In some situations Dell Technical Support may request evidence to perform a more assertive diagnosis, this article illustrates how to attach files to your service request through the Dell support portal.
Updated:  January 13, 2026 ID: 000194683

High SMART error rates on some Enterprise hard drive are informational and have no bearing on hardware health.
Updated:  January 12, 2026 ID: 000147878

This article provides an explanation of the backplane hard drive LED indicators.
Updated:  January 09, 2026 ID: 000413096

This article explains what disk errors PDR1001 and PDR3 mean on Dell PowerEdge servers and the best practices to resolve these issues. By understanding these alerts and acting promptly, you can maintain storage health, prevent downtime, and protect critical data.
Updated:  January 09, 2026 ID: 000143247

If ESXi hosts use Trusted Platform Module (TPM), this article provides steps when the ESXi host is still accessible over SSH before any hardware changes.
Updated:  January 08, 2026 ID: 000318876

To ensure optimal performance and stability for your Dell system, be aware of the latest updates available for the drivers and firmware. There are several systems to do this as explained in the article below.
Updated:  January 08, 2026 ID: 000127716

Dell PowerEdge Toshiba MG08 and MG09 hard drives may encounter uninterruptible Background Media Scanning (BMS), causing I/O errors, or timeouts.
Updated:  January 07, 2026 ID: 000381662

This article provides instructions on how the customer can gather their recovery key from their Trusted Platform Module (TPM) enabled host. The customer should keep the recovery key from each of their hosts in a safe place. Hardware replacement activities, such as system board replacements, require the recovery key for a smooth process.
Updated:  December 29, 2025 ID: 000220136

This article provides information about how to boot past the Driver Health Manager Screen.
Updated:  December 23, 2025 ID: 000148089