macOS desktop extended across 3 screens: iMac, MacBook and iPad

Sun, 26 Nov 2023 15:16:27 +0000

In the setup I use I have the following 3 devices:

They are connected to the same WiFi network.

Steps:

On the iMac go to: System Settings -> Displays
Click the plus sign to the right of the Built-in Display
Choose under Mirror or Extend to: MacBook Pro
Choose under Link keyboard and mouse to: iPad
You now see the 3 screens under Displays, but it is not yet extended across all 3
Click on the iPad
Choose for the option: “Use as” - select: Extend or mirrored display
You now see the same desktop on all 3 devices
And you can drag applications from the iMac to the MacBook or the iPad

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