Two LG Ultra Fine 4K with MacBook Pro 2020

I am trying to connect a second LG Ultra Fine 4K Monitor to a MacBook Pro. Only recognizes one monitor when daisy chaining. I used the same setup for another MacBook Pro and it works. What could be the problem?

Posted on Aug 5, 2021 2:14 PM

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Aug 6, 2021 10:16 AM in response to Peter_62

Peter_62 wrote:

I am trying to connect a second LG Ultra Fine 4K Monitor to a MacBook Pro. Only recognizes one monitor when daisy chaining. I used the same setup for another MacBook Pro and it works. What could be the problem?


The Mac has never supported daisy-chaining large displays.

Put each display on its own ThunderBolt port if you want them to work.


note: The M1 Mac only supports one external monitor. Full stop.


MacBook Pro (13-inch, M1, 2020) - Technical Specifications




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Two LG Ultra Fine 4K with MacBook Pro 2020

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