The Windows Hello Face Software Driver is the unsung hero of secure login. If your camera works but your face unlock doesn't, the issue is almost certainly with this specific driver, not your webcam.

The driver relies on a background service that can occasionally hang. Press Win + R , type services.msc , and hit Enter. Locate . Right-click it and select Restart . 3. Update the Driver via Device Manager If the driver is flagged with a yellow exclamation mark: Open Device Manager and expand Biometric devices . Right-click Windows Hello Face Software Device .

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