Find out how to Preserve the Mac Dock on One Display in a Twin Monitor Setup

Would you like to bind your Mac's dock to a screen? Here's how to keep the dock on just one screen so it doesn't move.

If you haven't already done so, consider using a dual monitor setup as it can greatly increase your productivity. Of course, there are many other reasons to have multiple monitors as well.


However, in newer versions of macOS, the Dock appears on all monitors by default. A lot of users like this, but maybe not. You might prefer to keep the dock on a screen.

To change this, you have two options. Unfortunately, both of them are nothing more than workarounds that you may or may not be satisfied with. At this point, it's all you can do. Let's look at that.

Option one: use a single space

Go to Apple menu> System Preferences and navigate to Mission control Section. Uncheck the option called Displays have separate spaces. Sign out and sign back in for this change to take effect.

After that, your dock should stay on the primary monitor.

System setting displays have separate spaces

Disadvantage: You will lose other dual monitor functions. This includes each display having its own menu bar and apps being able to run on each display in full screen view.

Option 2: move the dock to the side

To do this, open it again Apple menu> System Preferences, then navigate to dock Section. Find the option called Position on the screen and put it on either Left or Correct. This ties the dock to a screen.

System settings dock position

Disadvantage: You can't use a dock at the bottom. This position doesn't play well either if you have three or more monitors, as you have too much screen real estate to reach the dock.

Hopefully either of these two methods will work for tying your dock to a screen. If you're having dual display issues, try these troubleshooting tips to fix your Mac setup with multiple monitors.

MacBook multiple monitors

Image Credit: Shutterstock

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About the author

Sandy Writtenhouse
(462 articles published)

With her BS in information technology, Sandy worked for many years in the IT industry as a project manager, department head and PMO head. She then decided to follow her dream and is now writing about technology full time.

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