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How do I create an extended screen?

I would like help on how to created an extended desktop across two screens


One would be my 2017 iMac and the other would be my 2018 MacBook Pro.


I don’t mind which is my main brain but I just can’t seem to get them talking to each other.


Thanks in advance

MacBook Pro 13”, macOS 10.15

Posted on Jun 3, 2020 2:10 PM

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Question marked as Top-ranking reply

Posted on Jun 3, 2020 2:25 PM

Use your iMac as a display with target display mode - Apple Support

Your 2017 iMac is too new for Target Display Mode.

5 replies

How do I create an extended screen?

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