How to configure Displays in Macbook Pro M1 to use iMac 2011 as Monitor

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Level 1

4 points

How to configure Displays in Macbook Pro M1 to use iMac 2011 as Monitor

I connected my new MacBook Pro M1 2021 to my old iMac 27” 2011 via Tunderbold 2/USB-C adapter and Thunderbold cable.

Both Macs are Power-On, then when I click from the iMac on Command-F2 the display is not sent from my MacBook Pro to the iMac.

I tried the same process by replacing my Mackbook Pro M1 2021 with my MacBook Pro 2018 and it worked.

I think it’s due to the display settings with my MB2021 but I don’t know what are the right settings so it’ll be recognized by the iMac.

Any help is appreciated.

I attached my iMac Configuration

Posted on Mar 24, 2022 6:52 PM

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Answer 1

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Jack-19

Level 8

45,872 points

Mar 24, 2022 6:56 PM in response to scipe

Welcome to the Apple Support Communities.

Unfortunately, if any Mac is using a version of macOS newer than macOS Catalina and is newer than 2019, then you cannot use Target Display Mode: Use your iMac as a display with target display mode - Apple Support.

However, you can use AirPlay to Mac between your two Mac notebooks: Set up your Mac to be an AirPlay receiver - Apple Support.

Jack

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Answer 2

Mar 24, 2022 6:55 PM in response to scipe

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:

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

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Answer 3

scipe Author

Level 1

4 points

Mar 24, 2022 8:08 PM in response to Jack-19

Thank you for the clarification. It’s too bad for me because Airplay works for certain applications but it’s not a full display projection

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Answer 4

scipe Author

Level 1

4 points

Mar 24, 2022 8:10 PM in response to Grant Bennet-Alder

Thank you for the detail. I’ll continue my research if I can find an alternative even by using an intermediate hardware. Because I want to use my Mbook with the 27” screen

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How to configure Displays in Macbook Pro M1 to use iMac 2011 as Monitor

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