Fingerprint scanner not detecting fingerprint
4.5
The scanner is active but fails to read your finger or says "No match".
Symptoms
- "Try again"
- Vibrates but fails
- Unrecognized finger
Possible Causes
- Wet/Dry skin
- Scratched sensor
- Poor initial scan
Step-by-Step Fix
1
Moisturize/Dry Hands
Extremely dry or wet fingers are hard for optical scanners to read.
2
Register Multiple Fingers
Add both index fingers and thumbs to the system for redundancy.
3
Press Firmer
Ensure your finger covers the entire sensor area.
When to See a Technician
If you have a screen protector, ensure it is "fingerprint compatible" for in-display scanners.
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