Microsoft often catalogs specific legacy architecture drivers within its optional deployment loops. Press Windows Key + I to open . Select Update & Security , then click Windows Update . Click on View optional updates (if visible). Expand Driver updates .
A fresh OS install wipes proprietary vendor control scripts, leaving Windows with a generic setup.
This article provides a comprehensive guide to understanding what this device is and how to find, download, and install the correct . What is ACPI\FNBT0000?
Download the software package labeled under , Keyboard Utilities , System Interface Foundation , or Wireless Radio Switch . Install the executable ( .exe ), then restart your computer. Troubleshooting Common Installation Failures Enforcement of Driver Signatures acpi fnbt0000 0 driver windows 10
Lenovo frequently uses this configuration for their system interface foundations.
Right-click the device, select , and check the Details tab. Confirm the Hardware IDs dropdown displays ACPI\FNBT0000 .
Extract the downloaded driver .exe file using a tool like 7-Zip, or locate the unpacked folder (often found in C:\Drivers ). Click on View optional updates (if visible)
The safest, most direct method to source this driver is through official Microsoft repositories.
Some laptop manufacturers (e.g., Lenovo with the Ideapad or Yoga series) require specific power management or hotkey drivers that include the FNBT0000 device.
If you find a reliable driver file (e.g., AirplaneModeHid.inf ), you can install it manually. This article provides a comprehensive guide to understanding
ACPI device IDs like FNBT0000 often show up in Device Manager when Windows identifies hardware through the ACPI (Advanced Configuration and Power Interface) subsystem but lacks a matching, specific driver. FNBT0000 is commonly associated with certain laptop firmware interfaces (function-key controllers, vendor-specific sensors, or embedded controller links). When Windows labels a device with an ACPI ID and a yellow warning, it usually means the system needs a vendor-provided driver or a compatible generic driver.
Multiple driver databases indicate that the correct driver uses AirplaneModeHid.inf . This driver, version 16.13.39.986 (dated 04.09.2013), is widely cited. You may be able to force Windows to use this generic driver if you cannot find the official one.
Leaving this device marked as "Unknown" will not crash your computer, but you might experience minor performance regressions or inconveniences:
If the driver does not appear automatically, download the precise file directly from the Microsoft Update Catalog website. Go to the Microsoft Update Catalog. Search specifically for ACPI\FNBT0000 .