MackBook Air(2019) and 2 external monitors via one thunderbolt connection

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MackBook Air(2019) and 2 external monitors via one thunderbolt connection

Hi all,

I've tried to connect my laptop (MacBook Air (Retina, 13-inch, 2019)) via one thunderbolt connection to external monitor Dell U2419HC and this display connected via display port to Dell U2417H.

So final schema is:

Laptop <-thunderbolt-> U2419HC DP out -> DP in U2417H (see attached photo).

But the problem that this schema recognized as one monitor (mirrored physically). Please check attached photo and screenshot.

Please give an advise, is it possible to use a schema like this?

If so how can I resolve the issue?

P.S. it's works well at windows

Best regards,

Posted on Jan 28, 2021 7:37 AM

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Answer 1

Ben_Z1

Community Specialist

Feb 3, 2021 10:07 AM in response to karma_apple

Hi there karma_apple,

We understand you are having issues connecting and external monitors with your Mac. We’d like to help however we can.

To start, review the tech specs for your Mac: MacBook Air (Retina, 13-inch, 2019) - Technical Specifications

"Video Support

Simultaneously supports full native resolution on the built-in display at millions of colors and:

One external display with 5120-by-2880 resolution at up to 60Hz
Up to two external displays with 4096-by-2304 resolution at up to 60Hz

Thunderbolt 3 digital video output

Native DisplayPort output over USB‑C
VGA, HDMI, and Thunderbolt 2 output using adapters (sold separately)"

Follow the steps in this great resource:

Get help with video issues on external displays connected to your Mac

If you need further assistance after reviewing that, then we would recommend reaching out to the manufacturer of these external displays.

Support | Dell

Cheers!

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MackBook Air(2019) and 2 external monitors via one thunderbolt connection

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