If this device appears as an "Unknown Device" in your Device Manager, follow these steps to resolve it: : Search the Microsoft Update Catalog for "ACPI\FNBT0000".
Users typically encounter this ID when they see an in the Windows Device Manager under "Other Devices". Without the correct driver: acpi fnbt0000 0 driver windows 10
I have spent three nights chasing this ghost. If this device appears as an "Unknown Device"