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External monitors, only one will connect

I am trying to connect a second display to my MacBook Air. I have one connected via the USB-C to HDMI adapter. For my second monitor, I have a plug that goes HDMI to the regular USB slot found on both sides of the MacBook. The second one will not connect. Is there maybe a different adaptor I need, or is the MacBook Air not capable of having two additional displays connected?

Posted on Feb 23, 2021 9:56 AM

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Posted on Feb 23, 2021 11:09 AM

Hello Kbjornson,


Which generation MacBook Air? The M1 generation only supports a single monitor.


Click on this link for more information -->

Use multiple displays with your Mac - https://support.apple.com/HT202351


"If you're using a Mac with Apple silicon, you can connect a single external display to your Mac using one of the Thunderbolt / USB 4 ports. Docks don't increase the number of displays you can connect as an extended desktop."

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Question marked as Best reply

Feb 23, 2021 11:09 AM in response to Kbjornson11

Hello Kbjornson,


Which generation MacBook Air? The M1 generation only supports a single monitor.


Click on this link for more information -->

Use multiple displays with your Mac - https://support.apple.com/HT202351


"If you're using a Mac with Apple silicon, you can connect a single external display to your Mac using one of the Thunderbolt / USB 4 ports. Docks don't increase the number of displays you can connect as an extended desktop."

External monitors, only one will connect

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