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Thunderbolt 3 adapter for external display not working with MacBook Pro M1

My MacBook Pro M1 external display connection is not working via USB-C thunderbolt 3 adapter. Do I now need a thunderbolt 4 adapter?

MacBook Pro 13″, macOS 10.12

Posted on May 5, 2022 2:20 AM

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Posted on May 6, 2022 5:34 AM

If you mean an old iMac then that is no longer supported.

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Top-ranking reply

Level 6

14,309 points

May 6, 2022 5:34 AM in response to bellestarfromchina

If you mean an old iMac then that is no longer supported.

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Level 6

14,309 points

May 5, 2022 12:03 PM in response to bellestarfromchina

TB3 or TB4 the same for your connection. What display are you using and what connection choices are there?

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May 5, 2022 11:02 PM in response to tbirdvet

I’m using my old Mac desktop as additional display. The desktop has a thunderbolt connection. So I’m using a thunderbolt lead to the usb c adapter. Thanks

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Thunderbolt 3 adapter for external display not working with MacBook Pro M1

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