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User profile for user: PrestonLeung
PrestonLeung Author
User level: Level 1
8 points

Target display mode

I am trying to use target display mode with a 2020 MacBook Pro and a 21.5 inch mid 2011 iMac connected with a usbc to mini displayport but my command+f2 is not working. Any suggestions?

MacBook Pro 13″, macOS 10.15

Posted on Sep 2, 2020 4:48 PM

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User profile for user: MrHoffman
MrHoffman
Community+ 2024
User level: Level 10
126,097 points

Posted on Sep 2, 2020 4:50 PM

Your new MacBook Pro is too new to use with Target Display Mode.


Per: Use your iMac as a display with target display mode - Apple Support

You can connect any of these older iMac models to another Mac from 2019 or earlier for use as an external display...

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User profile for user: MrHoffman
MrHoffman
Community+ 2024
User level: Level 10
126,097 points

Sep 2, 2020 5:41 PM in response to PrestonLeung

PrestonLeung wrote:

So in order to use my iMac as a second display for my laptop I would have to use an older MacBook Pro?


That is what the Apple text and your own testing seems to indicate, yes.


Or use a display with Thunderbolt/ DisplayPort connectivity, or an adapter to some other interface and display,


Apple recently made changes to that linked article around the 2020 Mac restrictions, and marked the article as deprecated.

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Target display mode

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