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How to use an iMac 27-inch late 2012 as an external display for a MacBook Pro Retina 15-inch mid 2015? The iMac has two Thunderbolt ports and the MacBook Pro has two Thunderbolt 2 ports.
MacBook Pro 15″, macOS 10.15
You can connect any of these older iMac models to another Mac from 2019 or earlier for use as an external display. Learn how to identify your iMac model.
Target display mode requires macOS High Sierra or earlier on the iMac used as the external display. It does not work with macOS Mojave or later.
You can connect any of these older iMac models to another Mac from 2019 or earlier for use as an external display. Learn how to identify your iMac model.
Target display mode requires macOS High Sierra or earlier on the iMac used as the external display. It does not work with macOS Mojave or later.
iMac (27-inch, late 2012) as external display for MacBook Pro (Retina 15-inch mid 2015)
