Acpi Fnbt0000 0 Driver Windows: 10

Some Fn keys refuse to work because the driver is installed but the service isn’t starting. This is rare, but you can reset ACPI-related services:

ACPI is a key component in modern computer systems, providing a mechanism for the operating system to control power management, device configuration, and thermal management. It acts as an interface between the operating system and the hardware, enabling features like Plug and Play, power management, and hardware monitoring. acpi fnbt0000 0 driver windows 10