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mposullivan Author

Level 1

4 points

Connection of MacBook to iMac

I am trying to connect a MacBook 2020 model to 2012 iMac to use the screen as a display via a thunderbolt cable and it will not work. My old MacBook connects without any worries but my new one will not. any suggestions?

Posted on Jul 1, 2021 11:28 PM

Top-ranking reply

Jack-19

Level 8

46,020 points

Posted on Jul 1, 2021 11:34 PM

Hi mposullivan,

Welcome to Apple Support Communities.

Sorry, but 2020 and newer Macs are not compatible with Target Display Mode. The output Mac needs to be 2019 or earlier, running macOS 10.15 Catalina or earlier.

-Jack

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Connection of MacBook to iMac

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