PowerEdge T550

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

This article presents opportunities to understand and troubleshoot some common causes of fan noise in a PowerEdge server.

Dell PowerEdge Server remediation is available for 2026.1 Intel Platform Update (IPU) components that could be exploited by malicious users to compromise the affected systems.

Should an issue arise on your system, we recommend that you gather system logs to expedite the support process before contacting Dell Support. ​​​​​​​This article explains some of the key tools available, including SupportAssist Enterprise, the most comprehensive log gathering tool for your Dell PowerEdge system.

Dell PowerEdge Server BIOS remediation is available for a Time-of-check Time-of-use (TOCTOU) Vulnerability that could be exploited by malicious users to compromise the affected system.

Before updating Dell PowerEdge servers running Windows to the December 2025 BIOS release, complete the required pre-requisites. The BIOS update includes new Secure Boot Certificates, and failure to follow the steps below may result in the server entering an undefined state. If Secure Boot is not enabled, the BIOS can be updated through the normal process and this document is not applicable. Note: This document is applicable only if the server has Secure Boot enabled, TPM enabled, and running the Windows Server operating system.

NVIDIA has updated the signing certificate for its UEFI network driver from Microsoft UEFI CA 2011 to Microsoft UEFI CA 2023. PowerEdge 17G platforms already trust the CA 2023 certificate, but 15G/16G and earlier servers require a BIOS update released in December 2025. Systems without this updated certificate support may fail to initialize the NIC UEFI driver when Secure Boot is enabled.

This article details the procedure to troubleshoot power supply unit (PSU) issues that may arise on a PowerEdge Server.

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.

This article provides the latest Integrated Dell Remote Access Controller 9 (iDRAC9) firmware version available for Dell PowerEdge servers, Datacenter Scalable Solutions (DSS), Precision Rack workstations, Storage NX network-attached storage, XC Core Systems, and XC Series Hyper-C appliances.

This article explains the difference between a reset and a Power Drain.

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.

Dell Samsung PM893 SSDs with Firmware HJ55 or Earlier Experience Premature SMART Failures

This article is intended to clarify when iDRAC9 firmware 5.00.20.10 should be installed on Dell EMC PowerEdge servers.

The Dell iDRAC9 IPv6 Link Local and StateLess Address Auto Configuration (SLAAC) Addresses change after upgrading to iDRAC9 firmware 5.10.00.00 or later releases.

Step-by-step instructions to remove and replace the Power Supply Unit (PSU).

Correctable and uncorrectable memory errors on PowerEdge Server with DDR4 and changes to troubleshooting steps

This article provides information about Double Faults and Punctures in a RAID array and it also advises how to fix the problem.

The default values for iDRAC9 DNS settings changed from Disabled to Enabled after applying iDRAC9 6.xx.xx.xx firmware releases from earlier versions.

This article shows how to modify the PowerEdge Server Thermal settings and Fan Speed manually.

The information below covers the steps involved in installing SLES 15 OS in Dell EMC PowerEdge Servers using HTTP Boot.

Learn to configure and troubleshoot the IDRAC service module (ISM), including OS Passthrough, network interface checks, and TLS handshake issue resolution.

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.

A UEFI0074 warning is generated in the life cycle Log during Windows installation or after running Windows Update. Microsoft Windows operating systems can update the database and DBX entries to ensure that the platform is up to date per industry security standards.

Information about managing, upgrading, and monitoring your Dell Rack and Tower PowerEdge server hardware and Out-of-Band (OoB) System Management tools.

This article shows information about installing PowerEdge Rack & Tower Severs and configuring iDRAC and iSM.

Information about servicing and troubleshooting issues in your Dell PowerEdge Rack and Tower servers' hardware and System Management tools

Information about license requirements and management using different System Management tools Applications such as DLM, Dell Digital Locker, and DDLA enable you to manage licenses.

This article may guide and help on driver installation steps for the Mellanox ConnectX-5 25 GbE Network card by using the Mellanox Linux Driver and installation script on Red Hat Enterprise Linux Operating System.

Information about how Troubleshooting and Diagnose PowerEdge servers and CPU issues.