windows 10 fingerprint sign-in suddenly unavailable

Hi, make and model of laptop please - see 'My Computer' under my post for comparison.
(Tutorials are available to help you complete your specifications - in the Tutorial section).

Also approx age, and please post the URL for its driver downloads.

Please post a screenshot of your Update History - have you had an update recently? Also look at drivers at the bottom.

Turning to your device manager. Please post a screenshot like this:


The forum prompted you thus:

- so we don't have to keep asking. Thanks.

now inexplicably it has stopped.

Have you checked your Device Manager - is the driver installed correctly (the above screenshot will tell us).

Have you tried using a System Restore point?

More ideas:
-specifically for fingerprint:
h ttps://supertechman.com.au/how-to-fix-windows-hello-this-option-is-currently-unavailable/
(Remove the space please- this site won't let me post or use this URL alas).


and more generally:

How To Fix Windows Hello Fingerprint Not Working In Windows 10

- could you advise which one?

If receiving via Windows Update, you will most likely get that again, so would need to block it.