Technology Tales

Adventures in consumer and enterprise technology

TOPIC: TOUCH ID

Reactivating Touch ID on an iMac when the options are greyed out in System Settings

23^rd October 2024

Recently, when the battery in my iMac keyboard ran out of charge, I merely connected it to the all-in-one system using the supplied cable. However, a software upgrade meant a system restart, which lost the ability to unlock the iMac using the Touch ID.

When I went to Touch ID & Password within the Systems Settings app, I found all the options greyed out, preventing me from restoring things that way. The result was that I needed to disconnect the cable before turning off the keyboard in advance of turning it back on again. That was enough to restore Touch ID usage; the settings were not only activated but turned on for me. It is a little lesson on how different things can be for a new Mac user.

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