Unlike the menu bar, which will display across all screens used with a Mac, the Dock does not. There is only one Dock, and the Dock is set to show on the primary display.
Unlike the menu bar, which will display across all screens used with a Mac, the Dock does not. There is only one Dock, and the Dock is set to show on the primary display.
You can change which monitor is the primary display and the Dock will follow. If you drag your mouse downward against the bottom of the non-primary display for a few seconds, the Dock should slide up from the bottom of that screen.