I am wondering how/if it is possible to use your iMac as an external monitor while using a thunderbolt 2 to thunderbolt 3 adapter connected to a MacBook. The Imac I am using is a 2013 and cannot be updated any further past High Sierra (where I am running into some issues). I would love to hear any possibilities of making this work. Thanks.
MacBook Pro 13″, macOS 10.14
Only certain iMac’s models can be used as a display for another Mac.
Likewise only certain older Mac’s can use a supported iMac as a display.
please carefully read > https://support.apple.com/en-us/HT204592
In most cases it is more user friendly, more energy efficient and cheaper to just get an aftermarket external display for the MacBook.
It may work, if the MacBook is still running Catalina.
It will not work if the MacBook is running Big Sur.
please carefully read over the article again.
Also you will want to use the $70 Apple TB 2 to TB 3 adapter and Apple TB 2 cable.
Remember that what your are trying to do, Target Display Mode, has been harder to use since Thunderbolt cable replaced mini-display ports and cables, so it has not been a slam-duck even on supported computers. A standard external monitor also allows extended desktop; Target Display Mode only mirrors.
The costs of Thunderbolt cabling and adapters required can exceed the cost of a new flat-panel monitor.
so you are saying there isn't a way to make this work?
What year model is the MacBook and which macOS is it running?
the MacBook Pro is 2019, and the iMac is late 2013
do you know what external monitor would be compatible with my thunderbolt 2 to thunderbolt 3 adapter?
MacBook using iMac as an External Monitor with Thunderbolt
