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Connect to imac to have dual screen computer

Hi, i have 2 imac 21.5 inch 2017, and I want to use them as a single computer with dual screen.

how do I connect the 2nd imac screen to make it a second screen? Which cable do I need? Thanks

Posted on Jul 31, 2020 6:50 AM

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Posted on Jul 31, 2020 7:15 AM

you can't, target display is no more after 2014

there are software that can do it wireless but the performance is likely subpar

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