When facing issues with Windows Hello face recognition after a rollback from the Insider Preview to a stable version of Windows, you can try the following steps to troubleshoot and potentially resolve the problem: 1. Update Drivers: - Make sure all drivers, especially for the IR Sensor and biometric devices, are up to date. You can do this by checking the manufacturer's website or using Windows Update to search for driver updates. 2. Windows Updates: - Ensure that your Windows 10 is fully updated by checking for any pending updates. Windows Updates often fix compatibility issues and bugs. 3. Reconfigure Windows Hello: - Try removing your face recognition data in Windows Hello settings and then setting it up again. This can sometimes reestablish the connection. 4. Group Policy: - Check local group policy settings related to Windows Hello to make sure they are configured correctly. For example, there are policies that can disable face recognition or biometrics. 5. Windows Hello Troubleshooter: - Run the Windows Hello troubleshooter. To do this, go to Settings > Update & Security > Troubleshoot > Additional troubleshooters. Look for a Windows Hello option. 6. Biometric Service Restart: - Restart the Windows Biometric Service. Press Win + R, type 'services.msc', find the Windows Biometric Service, right-click, and select Restart. 7. Privacy Settings: - Ensure that the privacy settings allow Windows Hello to access the camera and IR Sensor. Go to Settings > Privacy > Camera, and enable camera access for Windows Hello. 8. Reset Face Recognition Data: - If none of the above steps work, you may need to go to Settings > Accounts > Sign-in options, and then select 'Improve recognition' or 'Remove' to reset the Windows Hello face recognition data. If the issue persists after trying these steps, you may need to consider contacting Microsoft Support for further assistance or looking for any new updates addressing Windows Hello issues specific to your Surface Book 2 model.
