The ACPI\FNBT0000 device is often associated with specialized hardware components on the motherboard, frequently related to (often from Goodix or similar manufacturers) or specific power management components on laptops. When Windows cannot find the correct driver for this proprietary hardware, it lists it as an "Unknown Device" with a yellow warning triangle.
Select > Let me pick from a list of available drivers . Select All devices (or "System devices") and click Next .
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In Device Manager, right-click the ACPI\FNBT0000 unknown device, select > Browse my computer for drivers .
Download and install the driver, then restart your computer. 3. Use Windows Device Manager to Update acpi fnbt0000 driver fix
You typically encounter the ACPI FNBT0000 error under three circumstances:
Extract the downloaded .cab file using a tool like 7-Zip or Windows Explorer.
If you tell me the of your laptop, I can help find the specific driver page.
Download and install or Lenovo Service Bridge . Restart your computer. For ASUS, HP, or Dell Devices Select All devices (or "System devices") and click Next
Locate the device with the yellow exclamation mark (usually under "Other devices" or "Unknown devices"). Right-click and select Update driver . Choose Search automatically for drivers .
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If you see this listed as an "Unknown Device" or with a yellow exclamation mark in Device Manager, follow this guide to resolve the issue. 1. Update via Device Manager
If you have a device, this is almost certainly the Lenovo Fingerprint Manager or Lenovo Virtual Device . Visit the official support website for your laptop model. Search for "Fingerprint" , "Biometric" , or "ACPI" drivers. I'll need to gather information from various sources
The code is specific to certain laptop manufacturers, most notably Fujitsu (and sometimes Fujitsu-suppported enterprise hardware). It is almost always associated with a proprietary device management feature, such as:
Following these steps will clear the yellow exclamation mark from your Device Manager and ensure your laptop's power management and shortcut keys function flawlessly.
Before applying a fix, confirm that the ACPI\FNBT0000 is indeed the culprit. Press Windows + X and select . Look for Other Devices or Unknown Device . Right-click the device and select Properties . Go to the Details tab. Change the dropdown to Hardware Ids . Confirm you see ACPI\VEN_FNBT&DEV_0000 . 💻 Step 2: Install the Fujitsu BIOS Driver (FUJ02E3)
Last updated: April 2026 – tested on Acer Aspire, Swift, Predator, and Spin series.