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Second monitor will not display

I’m trying to connect my 2020 Mac Air M1 to a second monitor utilizing a hdmi /usb 3 cable plugged into my hub adaptor. My Mac won’t read it and I can’t get Display options to come up despite following directions.

MacBook Air 13″, macOS 12.4

Posted on Jul 6, 2022 3:24 PM

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9 replies

Jul 6, 2022 3:45 PM in response to jmasin003

jmasin003 wrote:

I’m trying to connect my 2020 Mac Air M1 to a second monitor utilizing a hdmi /usb 3 ...

Does that mean you already have 1 monitor connected to it?


The M1 MacBook Air only supports 1 external monitor. If you already have one connected you cannot have another.


Link-> MacBook Air (M1, 2020) - Technical Specifications

Display Support

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

  • One external display with up to 6K resolution at 60Hz


Second monitor will not display

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