Article ID: 000087966 Content Type: Maintenance & Performance Last Reviewed: 10/07/2022

How to Update the Intel® NUC Aptio® BIOS Using Extensible Firmware Interface (UEFI)

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Summary

Steps to update the Intel® NUC BIOS using UEFI update utility from the EFI Shell.

Description

Unable to use the UEFI shell to update the Intel® NUC BIOS. 

Resolution
NoteThe latest BIOS update files for Intel® NUC products are available on Download Center.

The UEFI Flash BIOS update utility allows you to update the BIOS from the EFI Shell.

  1. Download the UEFI Flash BIOS Update (*.UEFI.zip) file. Example:

    Download the UEFI Flash BIOS Update

  2. Double-click the *.UEFI.zip to extract its files.

    Double click the UEFI zip

  3. Copy the iFlashVEfi64.efi and the .CAP files to a USB device.
  4. Connect the USB device to a port on the Intel NUC.
  5. Configure the BIOS of the target computer to boot to the EFI Shell:
    1. Press F2 during start to enter BIOS setup.
    2. Go to Advanced > Boot > Secure Boot.
    3. Disable Secure Boot, if enabled.
    4. Go to Advanced > Boot > Boot Priority.
    5. Enable Internal UEFI Shell.
    6. Press F10 to save changes and exit BIOS Setup.
  6. Press F10 during boot to open the Boot Menu.
  7. Select UEFI: Built-in EFI Shell.

    Select UEFI Built in EFI Shell

  8. Change the current directory to the USB flash drive by entering the command fsX: where X is the drive number of the USB flash drive from the device mapping list. Example: if your USB drive is fs0, then type fs0: and press Enter.
  9. At the command prompt, type IflashVEfi64.efi XXX.CAP (where XXX.CAP is the filename of the .CAP file) and press Enter.

    Command prompt

  10. Press Y to begin the update.
  11. Wait for the BIOS update to complete.

    Wait for the BIOS update to complete

  12. The computer restarts when finished.
  13. Set the BIOS back to original settings:
    1. Press F2 during start to enter BIOS setup.
    2. Go to Advanced > Boot > Boot Priority.
    3. Disable Internal UEFI Shell.
    4. Go to Advanced > Boot > Secure Boot.
    5. Enable Secure Boot, if it was originally enabled.
    6. Press F10 to save changes and exit BIOS Setup.