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How would one connect a Thunderbolt 2 (iMac 2015) to a thunderbolt 3 or USB-C (MacBook air 2020) ?

I would like to share the screen of my MacBook air 2020 with my iMac 2015 to have a larger screen displaty, but I can't seem to find which cables would be needed since the iMac 2015 uses thunderbolt 2 and the MacBook air 2020 uses USB-C (Or thunderbolt 3). Anyone can tell me which cables and adaptors would be needed?

Thanks.

MacBook Air 13″, macOS 10.14

Posted on Oct 18, 2020 4:37 PM

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Posted on Oct 18, 2020 4:44 PM

If the iMac is running anything higher than High Sierra (10.13) you can't.

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Oct 18, 2020 4:44 PM in response to anne-laurence256

If the iMac is running anything higher than High Sierra (10.13) you can't.

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Oct 19, 2020 12:26 AM in response to anne-laurence256

Your MacBook Air and your iMac are each one year too new to use Target Display Mode.

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

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Oct 18, 2020 4:45 PM in response to KiltedTim

I only want to use the iMac as an extra screen. This is impossible?

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How would one connect a Thunderbolt 2 (iMac 2015) to a thunderbolt 3 or USB-C (MacBook air 2020) ?

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