If you place the displays on top of each other (Display arrangement) Mac OS places the dock on the bottom display
This is done by Mac OS and it happens with all displays.
If you arrange them side by side then the dock can be placed on either display.
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article