Before starting the update, ensure your laptop is plugged into a power source and your battery is charged to at least 30%. A power loss during a BIOS flash can "brick" your motherboard.
The PC was firmly plugged into its UPS; a power cut now would turn the motherboard into an expensive paperweight. fujitsu bios update utility
Fujitsu provides a specific executable that runs directly within Windows. BIOS UPdate on a Fujitsu Esprimo Q556 Mini PC Before starting the update, ensure your laptop is