| Event ID | Source | Meaning | |----------|--------|---------| | 1000 | BiometricService | Sensor failed to initialize – check driver date. | | 1001 | BiometricService | “No biometric units found” – hardware not responding. | | 131 | Kernel-PnP | Driver btis.sys blocked (signature hash mismatch). |
The btis driver acts as the bridge between your Intel-based Bluetooth hardware and the Windows 11 OS. btis driver windows 11
The (commonly associated with Synaptics WBDI or EgisTec fingerprint readers) is critical for biometric authentication on laptops from manufacturers such as Dell, HP, Lenovo, and Acer. On Windows 11, native driver support exists via Windows Update, but manual installation or troubleshooting is often required due to strict driver signing requirements (WHQL) and security features like Memory Integrity (Hypervisor-protected Code Integrity - HVCI). Users report that the generic WBF (Windows Biometric Framework) driver works best, but proprietary BTIS drivers may fail on Windows 11 due to version mismatches. | Event ID | Source | Meaning |
There are three primary ways to manage these drivers on Windows 11: | The btis driver acts as the bridge
: This driver enables specialized features for Samsung peripherals, such as the Galaxy Buds2 Pro and Galaxy Buds Live, including support for the Samsung Gear Manager and multipoint connections.