Article ID: 000090610 Content Type: Maintenance & Performance Last Reviewed: 10/07/2022

How to Use UEFI Shell to Update Your Intel® NUC with Visual BIOS

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Summary

Steps needed to update Intel NUC's Visual BIOS using UEFI Shell environment.

Description

Can I update the NUC's Visual BIOS from UEFI?

Resolution

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

NoteMost Intel NUCs that shipped in 2019 and later use the Aptio V* BIOS core and not the Visual BIOS.  For those models, see BIOS Update and Recovery Instructions for Intel® NUCs with Aptio 5 BIOS

Please select boot devices

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

    Available downloads

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

    Extract the files

  3. Copy UefiFlash.efi and the .bio file to the bootable USB device.
  4. Connect the USB drive 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 Configuration.
    5. In the Boot Devices pane, enable Internal UEFI Shell.
    6. Press F10 to save changes and exit BIOS Setup.
  6. Press F10 during start to open the Boot Menu.
  7. 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 fs3, then type fs3: and press Enter.
  9. At the command prompt, type UefiFlash.efi XXX.bio, where XXX.bio is the filename of the .bio file and press Enter.

    Update to this BIOS version

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

    Flash update has completed successfully

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