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

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

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:

   

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

   

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.

   

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.

   

10. Press Y to begin the update.
11. 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.