Acpi Fnbt0000 Driver |link| · Updated & Simple

…I can give you the exact driver link or Linux commands to make it work.

Note: The standard "Lenovo Vantage" (consumer) also works, but the Commercial version has a more reliable driver database. Acpi Fnbt0000 Driver

If OEM drivers are unavailable:

The Acpi Fnbt0000 Driver is Lenovo’s proprietary interface that bridges Windows ACPI with the embedded controller (EC) on the motherboard. It manages the communication between the operating system and the physical function key hardware. …I can give you the exact driver link