Password prompt misses to register some characters in MacOS Sequoia 15.2

I and a colleague have been getting issues when unlocking our screens in MacOS Sequoia after the 15.2 update, with the password prompt sometimes, around 50% of the time, reporting our passwords being wrong. I first thought the passwords to be corrupted in some way and I made a password reset on my computer by booting into Recovery like some have suggested on this forum. However, in this case that did not help.


Then my colleague discovered something interesting! When typing his password into the password prompt some characters are not always being registered the first time you press the key and thus have to be pressed twice! This turned out to be the case also for me. On my Mac when this happens it is always the same character that has to be pressed twice to register, but in the case of my colleague there have been two different characters with this problem. The problem is not only present in the screen-unlock prompt by the way, it even goes for the password prompt MacOS pops up when logging in to this forum.


Worth noting is that we have zero issues with our keyboards outside of the password prompts! Also, my colleague typically enters his password using the built-in keyboard of his M2 MacBook Air and I do it using a Magic Keyboard (the one before Touch ID) wirelessly connected to my M4 Pro MacBook Pro while in clamshell mode.

MacBook Pro 14″, macOS 15.2

Posted on Jan 14, 2025 1:00 AM

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Posted on Mar 31, 2025 11:53 AM

MacBook Pro, Apple M3 Pro. 18gb, Version 15.3.1 (24D70)

I have been seeing this since 15.2 (Dec 2024). It took me forever to figure out it was eating a character in the password... I thought it was a bad keyboard.


For me, it is a period that it eats, but it is also the first character in the password.


Fully updated, no change. Bought a new Apple Magic keyboard. No help.

When the problem is occurring, it is also reproducible on the built-in keyboard.

Since mine is the first character, I thought to maybe use back-space first, but that was no help. Still had to type the period twice, to login.

Something else I noticed... CMD-CTRL-Q to lock, followed quickly by ESC twice (turns off the display). About half the time, the first ESC sounds an invalid character bleep, 2 more ESC's are accepted and the screen shuts off. If I wait after CMD-CTRL-Q, the ESC-ESC is accepted normally. This could just be the sluggishness, so I will keep an eye on this as well.


I have changed my desktop picture to a static color (just now) and will see. IT DID HELP with the sluggishness I have been seeing. Time will tell.


Hopefully someone at Apple will find a solution.


Paul

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Password prompt misses to register some characters in MacOS Sequoia 15.2

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