Hi I want to use an older 2014 5k retina iMac as a second screen to my new iMac 2019 how do I do this please
Hi I want to use an older 2014 5k retina iMac as a second screen to my new iMac 5k retina 2019 how do I do this please
Question marked as
Wolfeelee wrote:
Hi I want to use an older 2014 5k retina iMac as a second screen to my new iMac 5k retina 2019 how do I do this please
You don’t.
That configuration will not work.
No retina-class iMac is supported with Target Display Mode.
Here are the instructions and complete requirements:
Use your iMac as a display with target display mode - Apple Support