Acpi Fnbt0000 Driver - Fix

Sometimes the driver file exists on your system but isn't assigned to the device.

Select one and click Next. If one doesn't work, try another.

You open Device Manager and find an entry labeled "Unknown device". When you right-click it and select Properties > Details > Hardware Ids, you see something resembling: acpi fnbt0000 driver fix

This usually appears after performing a clean install of Windows (7, 8, 10, or 11) or after a major Windows update. Sometimes the driver file exists on your system

A BIOS update can repair broken ACPI table references. Select one and click Next

Try these solutions in order—most users will resolve the issue by Step 2.