External Monitor Display

I have a MacBook Air High Sierra Version 10.13.3. How do I keep my external monitor on display while the MacBook is closed? Right now the monitor goes dark when I shut the MacBook.

Posted on Apr 25, 2020 1:14 PM

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4 replies

Apr 25, 2020 2:08 PM in response to BobbyP102

I should say, my company issued 13" Macbook Pro is closed all the time.


It is attached to a CalDigit TS3 Thunderbolt 3 dock, which has a USB keyboard, DisplayPort attached monitor, and a Bluetooth Magic Trackpad. And a ton of external storage attached to the CalDigit for various backups and other bulk storage.


It runs just fine with the lid closed.

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External Monitor Display

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