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How do I connect a 2015 iMac to a 2020 iMac with Retina 5K?

How do I connect a 2015 iMac to a 2020 iMac as a second monitor?


Posted on Aug 26, 2020 10:08 AM

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Posted on Aug 26, 2020 10:13 AM

You cannot. The 2015 iMacs never supported Target Display mode. That ability stopped after the Mid 2014 models.


Apple hardware and software requirements for TDM are here:


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


All the reqs are directly under the image.

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How do I connect a 2015 iMac to a 2020 iMac with Retina 5K?

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