After the beeps, release the power button before the 4-second shutdown override. You can plug headphones into the front panel audio jack, if available on your Intel NUC, to hear the beeps. The system emits three short beeps from the PC speaker. Plug the USB device into a USB port of the Intel NUC when it is turned off (not in Hibernate or Sleep mode).
Download and save the Recovery BIOS (.BIO) file to a portable USB device. However, some Intel NUC models do not include this feature.
The Power Button Menu Update allows you to update the system BIOS during the boot process and before the operating system loads. Wait 2-5 minutes for the update to complete.
Confirm you want to update the BIOS by pressing Enter. During boot, when the F7 prompt is displayed, press F7 to enter the BIOS Flash Update tool. Plug the USB device into a USB port of the target Intel NUC. Download and save the Recovery BIOS (.BIO) file to a USB portable device. Save the Express BIOS update file to a temporary folder on the target Intel NUC. With the Intel Express BIOS Update utility, you can update the BIOS while in Windows. Before updating the BIOS, manually record all BIOS settings that have been changed (from default) so they can be restored after completing the BIOS update. We recommend the process be done in an environment with a steady power supply (preferably with UPS). If a BIOS update process is interrupted, your computer may not function properly. You may wish to print the instructions for easy reference. Before initiating a BIOS update, be sure to read and precisely follow the instructions included in this document. If you are trying to downgrade to a previous BIOS version and its Intel ME Firmware version is older than that currently on the motherboard, then the downgrade is NOT supported. An earlier BIOS version might not offer support for the latest processors, bug fixes, critical security updates, or support the latest board revisions currently being manufactured. Downgrading the BIOS to an earlier version is not recommended and might not be supported. We do not recommend BIOS updates for computers that do not need it. Update the BIOS on your computer only if the newer BIOS version specifically solves a problem you have. The update process will take up to 3 minutes. Once the update process has started, DO NOT POWER DOWN YOUR SYSTEM before the update is complete. Express BIOS Updates: .EXE] - Self-extracting Windows-based update file, designed to be used on Windows systems. iflash BIOS Update - A DOS-based utility to update the BIOS regardless of operating system. It reqRKPPT10Huires a USB flash device or CD. Use the recovery BIOS update to recover from this condition.
In the unlikely event that a BIOS update is interrupted, it is possible the BIOS may be left in an unusable state. BIO file to be used for F7 BIOS Update method or a BIOS recovery process. Fixed issue where using OA2Intel.exe ERASE command does not remove the SLIC table.
PXE Nahum info: REALTEK RTL8111D-GR Boot Agent PXE Base Code (PXE-2.1 build 082,V2.20,080826) VBIOS info: Build Number: 1718 PC 14.34