Upgrading BIOS on DELL PowerEdge Servers via UEFI

Once upon a time it is needed to upgrade either BIOS or Hard Driver firmware. Since DELL iDRAC 7 does not support writing to .img files anymore since the fw version 1.57.57, there had to be a new way of upgrading the firmware. And the way to do it is via UEFI.

To upgrade BIOS, browse to DELL’s support website for your given server and download the .efi file this way: Select Not Applicable Operating System and expand on the BIOS selection. There, download the .efi file – save in 8.3 format because the UEFI utility can not read longer filenames (as you will see further).

Get the .efi file when you unroll Other File Formats.

Get the .efi file when you unroll Other File Formats.

Use any tool which lets you create ISOs and put this .efi file in the .iso. Mount it in a remote console session, enter Boot Manager and follow the screenshots:

Select System Utilities from the Boot Manager Main Menu

Select System Utilities from the Boot Manager Main Menu

Choose BIOS Update File Explorer

Choose BIOS Update File Explorer

Select your mounted .iso file

Select your mounted .iso file

There select the .efi file - beware the 8.3 format if you have more files present on the ISO

There select the .efi file – beware the 8.3 format if you have more files present on the ISO

A blank prompt will appear - be patient.

A blank prompt will appear – be patient.

The .efi image will be loaded and you will be asked for confirmation.

The .efi image will be loaded and you will be asked for confirmation.

You will see the following screen during the update (disregard the matching versions)

You will see the following screen during the update (disregard the matching versions)

Your update was successful :)

Your update was successful 🙂

Now you are all done. Enjoy your upgraded BIOS 🙂

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