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Target display mode iMac 2020 and iMac late 2012

I have a Late 2012 iMac and I want to use it as a Display for my brand new 2020 iMac both running Catalina. How can I do this? I tried using thunderbolt cable with Adapter and it doesn't work

Posted on Sep 22, 2020 4:44 PM

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den.thed

Level 10

82,444 points

Posted on Sep 22, 2020 5:10 PM

No sadly the 2020 iMac does not support it and the 2012 iMac running Catalina no longer supports Target Display Mode. carefully read > https://discussions.apple.com/thread/251452928

"You can connect any of these older iMac models to another Mac from 2019 or earlier for use as an external display"

"Target display mode requires macOS high Sierra or earlier on the iMac used as the external display. It does not work with macOS Mojave or later"

If you need a second display for the 2020 iMac, then you will need to purchases an after market display.

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Target display mode iMac 2020 and iMac late 2012

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