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I recently got a dock / hub for my MacBook. A single USB-C connection provides power and connects it to my external monitor, keyboard, and mouse.

When I'm actually using the computer, I always have the lid open. Whenever the lid is closed, I want it to sleep. But it doesn't. Even if I explicitly click Apple -> Sleep, it will wake if the mouse is jiggled slightly, so I find the monitors turning on when I'm not using the computer.

Is there a setting for "remain asleep until the lid is opened"?

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  • I'm using MacOS Monterey 12.3. The answer to this question says to click Apple -> Sleep, but that doesn't keep it asleep. Apr 20 at 13:40
  • If the lid is closed, I want the main screen to be the 27" - which works fine. I can put it to sleep with the left lower corner and wake up with spacebar. Shutdown is shutdown though.
    – Solar Mike
    Apr 20 at 14:18
  • @SolarMike You seem to have a different use case in mind than I am asking about. Apr 20 at 14:26
  • I wonder if some combination of pmset would be effective. The first triage step is to get a power event log going so you can visually see the various power events and then tackle them sequentially if no one has a “one and done” solution.
    – bmike
    Apr 20 at 15:04
  • @bmike that's neat, I didn't know about pmset. But I was imagining there was a toggle somewhere like "when the lid is closed A) sleep B) use external monitors". If MacOS doesn't make that easy, I'll probably just unplug the dock and plug in a plain charger. Apr 20 at 15:33

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I unplug the cable and let it sleep in this case. At work, I have a Logitech MX Keys keyboard and mouse and will sometimes unplug that USB Radio Dongle to keep it asleep as I want it to run but not wake if someone jostles the mouse.

Waking up while in clamshell mode is baked into the firmware so I don’t think there’s an obvious way to disable it.

Something like the Twelve South BookArc (or perhaps a solid wood / black walnut wood stand) work very well for me to make the cable swap a snap.

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