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Target Display Mode OS question

Do both computers have to be running High Sierra or earlier, to use this with a Thunderbolt 2 connection? If so, how can I use a 2012 iMac (High Sierra) as an external monitor for a 2014 (Catalina) MacBook Pro? Thank you.

MacBook

Posted on Apr 8, 2020 6:33 AM

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Posted on Apr 8, 2020 7:04 AM

FWIW, there is an updated Target Display Mode page.

Use your iMac as a display - Apple Support

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Target Display Mode OS question

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