PowerEdge C6520

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 is a firmware catalog which contains validated and certified firmware stack for selected Dell VMware vSAN Ready Nodes.

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.

This article explains multiple methods to reset the Integrated Dell Remote Access Controller (iDRAC) both locally and remotely including reset, reset to defaults and reset to customer configuration.

Dell's firmware catalogs for customized versions of Dell's VMware ESXi 8.x releases. When the Dell customized ESXi versions are used along with corresponding firmware catalogs, the end to end required state is achieved.

This is a firmware catalog which contains validated and certified firmware stack for selected Dell VMware vSAN Ready Nodes based on Dell customized ESXi 9.X branch Images.

When running the nvidia-smi command, you may encounter a driver error stating that "nvidia-smi has failed because it could not communicate with the NVIDIA driver.

This article provides instructions on how to assign a hard drive as a global hot-spare on a PowerEdge RAID Controller (PERC)

This article provides different methods to get the iDRAC IP address of your PowerEdge servers directly from the VMware ESXi host. It is useful when you do not have physical access to the server.

This article is a step-by-step guide on how to replace a hard drive.

This article provides guidance for Dell PowerEdge servers requiring remediation for the Microsoft Secure Boot certificate expiration (June 2026).

The iDRAC virtual console can be launched using a web interface or URL. Using the iDRAC virtual console viewer is also explained.

The Dell Server Update Utility (SUU) allows updating firmware and Operating System drivers on Dell PowerEdge servers. This article summarizes the steps to download the tool and to use it to update components on a Windows Server target server.

This document highlights minimum, recommended, and latest code versions for Dell Technologies PowerEdge products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.

Find answers and resources to get started or do more from your MyService360 dashboard with enterprise services data analytics and visualizations.

Dell PowerEdge Server remediation is available for Nuvoton NPCT7xx Trusted Platform Module (TPM) 2.0 firmware versions that could be exploited by malicious users to compromise the affected system.

This article provides information about how to use the LCC to deploy a supported OS.

This article explains intermittent single-bit (SBE) and multi-bit (MBE) ECC error messages observed on PERC H750/H755/H755N controllers and one cause of these errors.

Unsure about the procedure to update a specific component's firmware in a PowerEdge system? Learn how to in this specific article.

This how-to explains the commands and shows the results of outputs for the same to retrieve your service tag using a command console. It is displayed as the system serial number.

This article describes how to view and clear the system event log (SEL) in System Setup.

The article describes how to troubleshoot network connectivity issues for network cards.

This article shows how to use and set up the virtual media function of Integrated Dell Remote Access Controller (iDRAC) 6, 7, 8, or 9.

This article provides information about how to import a foreign configuration RAID array on the system setup (F2) menu.

This article shows how to add additional disks to a virtual disk or reconfigure a virtual disk.

PowerEdge Server catalogs are an aggregation of all bundles and Dell Update Packages' metadata used by Dell OpenManage Repository Manager, Dell OpenManage Enterprise, and other tools for listing the current versions of software and firmware for respective servers and devices.

This article provides links to download Dell trial 30 and 90-day evaluation license collection including iDRAC Enterprise, iDRAC Datacenter, Chassis Management Consoles (CMC) Enterprise, OpenManage Enterprise, and OpenManage Integration.

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.

This article provides guidance for the Dell System Update (DSU).

How to Identify the physical slot number in iDRAC based off the device name in vSphere/VSAN.