You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Level 1

4 points

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

Top-ranking reply

Level 9

72,308 points

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:

All the reqs are directly under the image.

View in context

Similar questions