Magic Keyboard Touch ID not working consistently

I have a new Magic Keyboard with Touch ID. Paired with my MacBook Air just fine, and the Touch ID was initially working.


After a couple of days, Touch ID on the keyboard stopped working. Following a computer restart, it will work for a few minutes, and then stop working again.


I've been through regular restarts, restart in Safe Mode and restart to go through Apple Diagnostics (which found no issues). I added another fingerprint. Same behavior every time: Touch ID will work for login to 1 or 2 websites, and then stop working. Touch ID on MacBook Air has worked fine the whole time.


Any ideas? Thanks.

Posted on Mar 24, 2023 1:00 PM

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Posted on Jun 26, 2023 5:10 PM


I’ve been trying to get to the bottom of this for a month since buying a used “like new” Magic Keyboard online. Initially thought I had a defective board, so I bought a new and sealed replacement keyboard at Micro Center. Problem persisted.


It’s true that if you leave it plugged into the Mac or a wall adapter, Touch ID will keep working. If the keyboard isn’t plugged into power, Touch ID will stop working eventually. Comes back on with cycling keyboard power.


There’s other forums mentioning this issue so maybe Apple can get this fixed.


For reference:


2020 MBA M1 in clamshell

mac OS 13.4.1

keyboard A2449 firmware 1.4.8

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Magic Keyboard Touch ID not working consistently

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