Using tools like the CH341A programmer to flash the BIOS chip directly when the PC won't boot.
Sites like the BIOS ARCHIVE Telegram or Vinafix host verified dumps of these files for repair purposes. Flashing Process: nutmegminiitx rev 10 bios bin file
If the PC boots: Use the menu and the "Flash System ROM" command with a USB drive. Using tools like the CH341A programmer to flash
Always check the HP Support site first by entering your PC's serial number. While they often provide .exe files, these can sometimes be extracted to find the .bin or .fd firmware image. nutmegminiitx rev 10 bios bin file