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my touch id does not work and became invisible in the system preferences so I cannot follow usual instructions. THere is no icon to click. It used to be there and is gone.

the icon for touch id disapeared in system preferences. before that it didnt respond and didnt give me the option when unlocking imac.


iMac Pro

Posted on Dec 14, 2021 1:05 PM

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Question marked as Top-ranking reply

Posted on Dec 14, 2021 3:40 PM

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


1 reply
Question marked as Top-ranking reply

Dec 14, 2021 3:40 PM in response to wendysoneson

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


my touch id does not work and became invisible in the system preferences so I cannot follow usual instructions. THere is no icon to click. It used to be there and is gone.

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