Acpi Fnbt0000 Driver

Because FNBT0000 is considered a "vendor-specific extension" of ACPI, not a critical security update. Microsoft prioritizes inbox drivers. Lenovo submits these drivers to Windows Update as "Optional" (Category: System). You must go to Settings > Windows Update > Advanced > Optional Updates to see them.

It sounds like you're encountering an ACPI FNBT0000 driver entry — likely in Windows Device Manager, Linux kernel messages (dmesg), or a driver list.

Here’s a practical breakdown of what it is and what to do. Acpi Fnbt0000 Driver

FNBT0000 is a ACPI Hardware ID assigned to a Fingerprint Sensor — typically made by Elan or sometimes Goodix / Synaptics.

This device is embedded on laptops (Dell, HP, Lenovo, Acer) and attached via I2C or USB internally, but exposed through ACPI for power management. It sounds like you're encountering an ACPI FNBT0000

If the device appears as "Unknown device" with no driver available, you can manually point to the Lenovo INF file:

1. What is ACPI? ACPI is an open standard that operating systems use to discover and configure computer hardware components. It handles power management (putting the computer to sleep) and hardware configuration (monitoring battery levels, thermal zones). FNBT0000 is a ACPI Hardware ID assigned to

2. The Naming Convention: The ID FNBT0000 follows the ACPI naming convention where the first four characters usually represent the manufacturer or the specific hardware subsystem.