I have successfully turned off the automatic start up whenever the lid is open, but 2018 MBP also starts up automatically whenever I press any key or touchpad. It is annoying when I am cleaning the computer. Anyone knows how to turn this feature off? See: https://support.apple.com/en-us/HT201150 Your MacBook Pro (2016 and newer) or MacBook (Retina, 12-inch, 2017) also turns on when you do these things: Open the lid of your Mac, even if it's not connected to power. Connect your Mac to a power adapter while its lid is open3. Connect your Mac to a power adapter while its lid is closed and it's connected to an external display. Additionally, MacBook Pro (2018) turns on when you press any key on the keyboard or press the trackpad.