Why is my Fingerprint not Working on my Mac?

If Touch ID Isn't Working on your Mac

Make sure that your fingers and the Touch ID sensor are clean and dry. Choose Apple menu  > System Preferences, click Touch ID, then make sure that "Unlocking your Mac" or "iTunes Store, App Store & Apple Books" is on, and that youve added one or more fingerprints. Try to add a different fingerprint.

Why has Touch ID Stopped Working?

Make sure you have the latest version of iOS or iPadOS. Make sure your fingers and the Touch ID sensor are clean and dry. Go to Settings > Touch ID & Passcode and make sure that iPhone Unlock or iTunes & App Store is on, and that youve enrolled one or more fingerprints. Try enrolling a different finger.

How do you Fix Touch ID on Mac?

Make Sure Your Mac Is Up to Date.
Clean the Touch ID Sensor and Wash Your Hands.
Restart Your MacBook.
ReEnter Your Fingerprints.
Reset the System Management Controller.
Check Touch ID Settings .

Why is my Fingerprint Sensor not Working?

Most of the software issues like an Android fingerprint is not working can be fixed by rebooting your phone. This step does a lot for your phone because the devices that arent restarted for a long time may lose their performance. Just press the power button for a while to let your phone restart.