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iMac for 2nd Monitor

I have a late 2012 27" iMac and have been told by Apple multiple times that I can connect it to my new 16" MacBook Pro. I want to use my 27" iMac to act as a second monitor so I can work on both screens with different programs at the same time or it can even just reproduce what's on the 16" MacBook if I can't use it as two screens working in conjuntion. What cable(s) can help me do this? If not cables, what can I do?

iMac 27″, macOS 10.12

Posted on Feb 18, 2023 11:33 AM

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Posted on Feb 18, 2023 11:55 AM

<< my NEW 16" MacBook Pro >>


  • The other Mac that you're connecting it to must have been introduced in 2019 or earlier and have macOS Catalina or earlier installed.


--from the article cited above


This feature is deprecated, it is Not going to work for a recently purchased Mac -OR-


you can use screen sharing to show the main display of one Mac in a window on the other Mac (over your network):


Share the screen of another Mac - Apple Support




hook up to your TV set or buy a cheap display.


2 replies
Question marked as Best reply

Feb 18, 2023 11:55 AM in response to cspippin

<< my NEW 16" MacBook Pro >>


  • The other Mac that you're connecting it to must have been introduced in 2019 or earlier and have macOS Catalina or earlier installed.


--from the article cited above


This feature is deprecated, it is Not going to work for a recently purchased Mac -OR-


you can use screen sharing to show the main display of one Mac in a window on the other Mac (over your network):


Share the screen of another Mac - Apple Support




hook up to your TV set or buy a cheap display.


iMac for 2nd Monitor

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