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Level 1

66 points

Intermittent severe Magic Keyboard lag

My new MacBook Pro 16" really annoys me. I use it with a Magic Keyboard, and intermittently, there's an awful input lag. Every few minutes, the computer seems to stop listening to the keyboard; I stop typing, and then the letters turn up very slowly until almost all of them are in place (not all, there's always a few missing). This totally ruins my workflow, of course.

I have tried two different keyboards, same problem. No problem with these keyboards on my previous MacBook Pro.

Does anyone know what this is?

(I tried to select "Topic: Peripherals" for this post, but sadly, the Magic Keyboard is not listed under peripherals. "Only Magic Mouse and Trackpad". Hence "Topic: Bluetooth".)

MacBook Pro 16", macOS 10.15

Posted on Mar 24, 2020 7:59 AM

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750 H2C Author

Level 1

66 points

Posted on Apr 6, 2020 2:42 AM

And never mind what I just wrote about the keyboard being faulty. I just had the problem with my old keyboard too.

I think I have noticed that, for some reason, the "accent popup menu" appears just before the problem starts. The menu is supposed to appear after a prolonged depression of a key, but for me the menu appears – now and then – at quick strokes.

Not knowing whether the menu is an effect of the problem or if it is actually causing the problem, I have now disabled the menu since I never use it. It is possible by writing "defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false" in the Terminal and then restarting (or maybe logging out is sufficient).

I will try this and see if it helps.

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Intermittent severe Magic Keyboard lag

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