Dock is stuck on one screen when running multiple monitors.

Question

Dock is stuck on one screen when running multiple monitors.

When I originally began running multiple (two) external monitors, my dock would move to whatever monitor I currently using. That bothered me at the start so I did a quick google search and the solution I found was running a script in terminal to lock the dock. Now, i can't quite remember what the script was or where it came from, BUT now I'd prefer my dock to move to whatever screen i'm actively using and its stuck to the right side of my devices main display.

I will note that I have tried multiple other scripts to "reset" my dock and I've gone as far as removing my dock preferences in my library. However, that didn't seem to change anything at all.

Any Idea what might be the issue here?

MacBook Pro 13″, macOS 10.15

Posted on Jan 19, 2021 4:11 PM

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Answer 1

Top-ranking reply

Luis Sequeira1

Level 9

73,434 points

Jan 20, 2021 3:55 AM in response to macgregormonroe

I think this may be what you have done some time ago:

defaults write com.apple.Dock position-immutable -bool yes; killall Dock

And now you probably just need to reverse it by executing the following line in Terminal (feel free to copy and paste):

defaults write com.apple.Dock position-immutable -bool no; killall Dock

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Answer 2

Jan 20, 2021 3:22 AM in response to macgregormonroe

The Dock will only appear in multiple displays if it is positioned at the bottom.

Think about it: most monitors are set side by side; do you want the Dock to pop up whenever you move the cursor to another display? I certainly don't.

I don't think there is any script to run, just select bottom in Dock preferences:

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Answer 3

Jan 20, 2021 3:27 AM in response to Luis Sequeira1

Thanks for the response Luis. In the beginning I did not want my dock to float around to different screens. Now I find that it would be useful. However the setting in systems preferences is “grayed out” and I am not able to select anything other than position “right”

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Answer 4

Jan 20, 2021 3:56 AM in response to macgregormonroe

By the way, I was not aware that this existed, so thanks for getting me to learn something new :-)

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Answer 5

Jan 20, 2021 7:11 AM in response to Luis Sequeira1

This worked! Thank you so much Luis.

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Dock is stuck on one screen when running multiple monitors.

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