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PCMacUser

macrumors 68000
Original poster
I'm using an M5 MacBook Air and I want to change my window 'fill' and 'minimise' keyboard shortcuts to fn+ctrl+up arrow, and fn+ctrl+down arrow respectively, and MacOS is not allowing me to do that. It simply responds with an unhelpful 'beep'.

Those same combinations are already assigned by default to the 'window halves' options, but even when I unassign them from there, MacOS still won't allow me to assign the keypresses. I've also tried using Sticky Keys and entering the shortcuts that way, but to no avail.

For clarification, the settings I'm talking about are under Settings>Keyboard>Keyboard Shortcuts>Windows>General, and it's the minimise and fill options I'm trying to change. I can set them to other keyboard combinations, but I really want to use fn+ctrl+arrows so I have an elegant window management flow rather than having to jump all over my keyboard.

Any thoughts, or is MacOS simply not capable of this?

Screenshot 2026-03-16 at 00.10.37.png
 
Any thoughts, or is MacOS simply not capable of this?

That's been my experience as well under Sequoia: the Globe key isn't accepted as part of a Windows shortcut.

FWIW, you can likely trigger these options with Globe key combinations using third-party utilities. It seems to work, for instance, when I try it with BetterTouchTool, which is what I happen to have.
 
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That's been my experience as well under Sequoia: the Globe key isn't accepted as part of a Windows shortcut.

FWIW, you can likely trigger these options with Globe key combinations using third-party utilities. It seems to work, for instance, when I try it with BetterTouchTool, which is what I happen to have.
Thank you -- I will have a look at the 3rd party tool option.
 
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