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In Mavericks, Apple introduced a "feature" where if you hover at the bottom of any screen the dock pops up on that screen.

This is disrupting my workflow as I am constantly having the dock pop up when I don't want it to and then I have to go to another window and hover at the bottom for several seconds to get it to go away so I can click on what I was trying to in the first place.

I don't want the dock to move; I want it to stay on the bottom of my right-most monitor like it always has. How can I adjust this in macOS Catalina (10.15), Big Sur (11.0), or Monterey (12.0)?

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  • 2
    I think this is also mentioned here: After a month of use, we dish out our biggest gripes with OS X Mavericks
    – slhck
    Nov 28, 2013 at 16:50
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    I know it's an old thread, but until today, I don't see the exact answer to do this. (Sorry, but I can't post as an answer yet.., low rep on SU) With this terminal command you can stick the dock position. $ defaults write com.apple.Dock position-immutable -bool yes then, just do a $ killall Dock to reset the dock and you're done.
    – gmo
    May 19, 2015 at 14:53
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    Nope, changing that setting via Terminal just doesn't seem to have any effect for me. Still jumps around when I move my cursor to the bottom of another screen unless I disable "Displays have separate spaces".
    – Brad Dwyer
    May 21, 2015 at 17:57
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    This does not work: defaults write com.apple.dock position-immutable -bool true; the postion in this case refers to the left right bottom on the same screen. Oct 5, 2015 at 5:11
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    4 Years and it is still the most annoying thing ever... I am washing down anti-depressants with vodka because of this. How is this a feature! Does anyone use it? I mean has anyone actually said "I wish that dock thing would get in the way whenever I move near the bottom of the screen". Aug 8, 2017 at 10:56

6 Answers 6

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This is very easy.

Go to System Preferences > Mission Control, then deselect the option "Displays have separate Spaces"

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    Unfortunately this turns off all of the new multi-monitor features (multiple menu bars, single monitor full-screen mode, etc). Is there a way to only prevent the dock from jumping?
    – Brad Dwyer
    Oct 25, 2013 at 18:08
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    I want my Spaces to be separate, though! Apple needs to implement Dock-Screen affinity.
    – fatuhoku
    Aug 10, 2014 at 20:13
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    Good riddance to "new multi-monitor features" I never use. Thank you for this tip! Mar 9, 2016 at 8:40
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    The worst thing about this is that there's a defaults write com.apple.Dock position-immutable -bool yes hidden setting that you might assume would work, but nope.
    – Bob Aman
    Jan 5, 2017 at 19:22
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    7 years later and we still trying find a way to make it without lose multi-monitor features... :/ @apple!
    – Lucas
    Apr 3, 2020 at 12:52
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An alternative, as suggested by MacLife, is to put the Dock on the right or left and then it won't move. But hopefully in a future iteration the Dock can be kept on the bottom and only on one monitor.

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  • This is best answer for people who don't care about the dock. I use QuickSilver, and thus have no need for the dock. But having it semi-randomly jump all over the place was extremely annoying. Now it's nice and hidden away on the left side of my monitor group, and won't be going anywhere. Dec 12, 2014 at 0:06
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    I hate my dock on the left/right side... but I guess this is what I have to do to fix this annoyance. Thanks! Jul 19, 2018 at 23:34
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There is to my knowledge no good solution to this issue. For some reason the good folks at apple have conflated the top of screen menu with the dock, and if you get one on any screen, you also get the other. Without resorting to a third party app, there is no way to have menu bars in each screen but lock the dock to the bottom of a single screen. (I would be glad to be proven wrong here, but I've looked a bunch and not found a way)

Details:

If monitors are arranged 'stacked' then the dock will be at bottom of the bottom monitor. However, few of us arrange this way and those who do would most likely not be asking this question.

If monitors are side by side, you can move it ALL-THE-WAY to the left or right and it will stay there, but that is not as requested (or as many people desire) at the bottom of a single screen.

You can hide it, so it won't obscure stuff, but it will still move around whenever mouse is 'bottomed' on a screen for small period of time. This might be the 'best' solution, provided you like a hidden dock, as you can then easily access it on any screen, but it is not in the way or annoying you by being seen to 'jump around'. It is rather there when you want it, and hidden otherwise. (I strongly suspect anyone doing usability testing had things set this way and thought it was just great, and why would anyone want to see the dock all the time anyway... )

You can turn off the each monitor is own space stuff, but then you lose having the menu bar at the top of each screen. Obviously folks have different perspectives, but one thing I HATED about mac's multi-monitor support was having to move to an entirely different screen to access the top-screen menu for a program open on a different screen. This was something I really like about mavericks (multiple menu bars) but sadly it seems to come at the price of the annoying jumping dock

If don't want a hidden dock, and you want top menus bars on each screen, and dock fixed at the bottom, the best workaround appears to be to basically disable all the new mavericks stuff by disabling 'each screen is its own space' Then get a utility like "Second Bar" which while discontinued is still available, as a way to get a menu bar at the top of each screen. I used Second Bar a lot with mountain lion and found it to work well (although you need to have a second renamed copy of the app for each additional screen) I have not used it with Mavericks so cannot say how well it does or does not work.

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Alternatively, you could go to -

System Preferences > Dock > Automatically Show and Hide Dock

While this is not the exact solution you were looking for, it does solve the problem of the dock sticking and getting in the way. I was annoyed by the same thing and eventually used this option as my resolution.

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  • This is a decent solution for me. The nonintuitive behavior is gone, and I find that I really don't need to stare at the dock all day anyway. May 12, 2015 at 14:11
  • good solution, thanks!
    – ossys
    Feb 4, 2021 at 14:36
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There is a workaround for the disappearing dock. If you set whatever is in your 2nd screen to full screen and then maximize it. It will leave your dock in place where you want it the whole time. Though I only find this beneficial when using a browser in the 2nd screen.

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    This doesn't really work. The dock still moves freely. I tested with Google Chrome and VirtualBox maximized.
    – Asclepius
    Apr 10, 2014 at 18:10
-1

This is my way:

System Preference > Dock > Position on screen: Right if you want it to stay on the right-most monitor, choose Left if you want it to stay on the left.

The dock then shown vertically. It is even better, monitors have more horizontal real estate.

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    This would've actually worked if the dock could be placed in-between the two monitors at the edge of either one. But it doesn't let you dock there. Instead it is docked on the far extreme left or right where I don't want it.
    – Asclepius
    Apr 10, 2014 at 18:23
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    Unfortunately this doesn't work well for folks with 3 or more monitors.
    – ylluminate
    Jul 9, 2014 at 15:34

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