Make Mac sleep when close lid attached to external monitors - MB Pro 14" 2021

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Make Mac sleep when close lid attached to external monitors - MB Pro 14" 2021

I have my Macbook Pro 14" (2021) attached to external monitors through a CalDigit TS3+.

When I close my Macbook lid, I want it to put everything to sleep. Instead, my external monitors remain active and open. Someone could walk by my desk and start using the computer with the external keyboard and mouse.

How can I make it so closing the lid kills the external monitors until I reopen it?

Everything I've found on this topic doesn't seem to apply to MacBook Pro 14" with M1.

MacBook Pro

Posted on Jan 8, 2023 9:38 AM

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Answer 1

Jeff_W.

Community Specialist

Jan 10, 2023 1:31 PM in response to macuserusa1

Hi there macuserusa1,

What you're describing is often referred to as "clamshell mode". This allows the Mac to function when an external display is connected. If you want to put the Mac to sleep, we would advise to do this manually from the Apple menu as described here:

Put your Mac to sleep or wake it - Apple Support

Another option would be to set up hot corners to trigger your screensaver, and engage the screensaver when walking away from your Mac.

Use hot corners on Mac - Apple Support

Take care.

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Make Mac sleep when close lid attached to external monitors - MB Pro 14" 2021

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