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Using a iMac (21.5-inch, Late 2015) as screen for the new 13" MacBook Pro

I am thinking of buying a new 13" MacBook Pro with 1TB Storage and 16GB Memory. Can my old iMac (21.5-inch, Late 2015) (with macOS Catalina) be used as an external monitor/ display for the new 13" MacBook Pro? With Thunderbolt connectors? thanks in advance.

Posted on Jul 21, 2021 3:53 AM

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3 replies

Level 8

45,818 points

Aug 5, 2021 3:41 PM in response to gerardofrommonterrey

gerardofrommonterrey wrote:

So, what if I already updated my iMac to the latest iOS update, is it the same thing? Can’t use it as a second monitor?

Please start a new thread with the following information about both your Macs:

Its year
Its current macOS version

Jack

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Level 8

45,818 points

Jul 21, 2021 3:54 AM in response to An-English-Man-in-Singapore

Welcome to Apple Support Communities.

Sorry, that is not possible.

-Jack

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Aug 5, 2021 3:40 PM in response to An-English-Man-in-Singapore

So, what if I already updated my iMac to the latest iOS update, is it the same thing? Can’t use it as a second monitor?

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Using a iMac (21.5-inch, Late 2015) as screen for the new 13" MacBook Pro

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