Biometric login (Fingerprint/Face) failing
4.5
The device fails to recognize your fingerprint or face, forcing a PIN entry.
Symptoms
- "Not recognized"
- Sensor dirty error
- Hardware not available
Possible Causes
- Dirty sensor
- Software glitch
- Hardware failure
Step-by-Step Fix
1
Clean the Sensor
Wipe the fingerprint reader or camera lens with a microfiber cloth.
2
Re-register Biometrics
Delete your old data and scan your face/finger again in good lighting.
3
Check for Updates
Manufacturers often release patches for biometric reliability.
When to See a Technician
Dry skin or small cuts can prevent a fingerprint reader from working correctly.
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