PowerEdge: How to create a bootable USB drive for OS Installation

Summary: This article provides information about how to create a bootable USB drive from and OS ISO file for manual installation.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

Creating a bootable USB drive from a downloaded ISO file

  • Creating a bootable USB drive requires use of a tool that can make the USB drive bootable and copy the contents of the ISO file onto the USB drive. 
  • This article covers the two most commonly used tools, RufusThis hyperlink is taking you to a website outside of Dell Technologies., and balenaEtcherThis hyperlink is taking you to a website outside of Dell Technologies..
  • The tool balenaEtcher is simple to use and supports multiple OS's including Linux and macOS. Rufus is only supported on Windows operating systems, but it provides additional configuration options if advanced setup is required.  

 

Table of Contents:

  1. Using balenaEtcher
  2. Using Rufus

 


 

Creating a bootable USB drive using balenaEtcher:

balenaEtcher main image

Supported Operating Systems:

  • Linux; most distros; Intel 64-bit
  • Windows 10 and later; Intel 64-bit
  • macOS 10.13 (High Sierra) and later; both Intel and Apple Silicon

 

Follow the below steps to create a bootable ISO using balenaEtcher:

  1. Download the latest version of balenaEtcher from here: https://etcher.balena.io/This hyperlink is taking you to a website outside of Dell Technologies.

    Download Etcher

  1. Install balenaEtcher using the downloaded exe file and once installed run it.
  2. Once opened up the first step is to select the ISO file to use, select Flash from File which launches the file explorer to select the downloaded ISO file.

    Select from File

  1. After selecting the ISO file, the next option to select target will be available. Click Select Target to open a list of detected USB drives and select the disk to make it bootable.

    Click select target

    Select USB drive to flash

  1. After choosing the USB drive from the list, click the Select button which returns to the main screen to now see that the Flash button is available.
  2. Click the Flash option to begin creating the bootable USB drive using the selected ISO file.

    Click Flash to start operation

    Flashing of USB in progress

    USB Flash completed

  1. Once the flash has completed, close the application and plug the Bootable USB drive into the system to begin installation.

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Creating a bootable USB drive using Rufus:

Rufus main screenshot

System Requirements:

  • Windows 8 or later

 

Follow the below steps to create a bootable ISO using Rufus:

  1. Download the latest version of Rufus from here: RufusThis hyperlink is taking you to a website outside of Dell Technologies.

    Download Rufus

  1. Once the ISO is downloaded, run the file directly no install is required.
  2. Under the Device option, you can confirm that the correct USB drive is selected using the dropdown option.
  3. To load the ISO file, click SELECT to browse to the local USB file.

    Select ISO image

  1. Once the ISO has been chosen, it automatically fills out certain fields based on the detected ISO.

    ISO selected

  1. Select either GPT or MBR from the partition scheme dropdown depending on what type of system being used and if its using UEFI mode or legacy BIOS mode where MBR may be needed.

    Choose partition scheme

  1. Once the required options have been selected, proceed with the creation by clicking START.

    Start USB Flash

  1. After clicking start you are prompted to confirm the mode to use, the recommended option is ISO image mode. DD image mode is typically used for cloning disks.

    Select image mode type

  1. After selecting the mode to use the next prompt warns you that this will destroy all data on the selected USB drive, click OK to continue.

    Confirm format of USB drive

  1. After confirming to proceed, see the progress of the USB flash until it completes.

    Creation progress

    Creation completed successfully

  1. Once the USB flash has completed,  close the application and then take the USB drive to the system to install on.

 

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Affected Products

C Series, HS Series, Modular Infrastructure, Rack Servers, Tower Servers, XE Servers, XR Servers, OEM Server Solutions
Article Properties
Article Number: 000334285
Article Type: How To
Last Modified: 26 Jun 2025
Version:  2
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