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MacBook Pro, 16-inch, 2019 model, power button now acts differently. The first time I press it, the screen shows a battery icon and what percentage the battery is charged. The second time I press it the MBP will actually power up. It never did this before. How can I change it back to simply power up? It does this same behavior on battery or on AC charger. I can't find any information about this anywhere.
OK, found the answer. Someone went into Terminal to stop the auto-boot when the lid is opened. We use this at a church, and when it boots before we connect the various video outputs, it screws up our third party software, which is why it was set to not boot when opening the lid. So we will just live with it for now, but it's normal behavior when you disable lid-open-boot.
FYI, to control this, use this in Terminal:
sudo nvram AutoBoot=%00 (stops auto boot when lid is opened)
sudo nvram AutoBoot=%03 (resets to default behavior of booting when lid is opened)
OK, found the answer. Someone went into Terminal to stop the auto-boot when the lid is opened. We use this at a church, and when it boots before we connect the various video outputs, it screws up our third party software, which is why it was set to not boot when opening the lid. So we will just live with it for now, but it's normal behavior when you disable lid-open-boot.
FYI, to control this, use this in Terminal:
sudo nvram AutoBoot=%00 (stops auto boot when lid is opened)
sudo nvram AutoBoot=%03 (resets to default behavior of booting when lid is opened)
I've disabled autoboot on my 2016 13" MBP several times and it's never had any effect on any software, Apple or 3rd party. It just shuts down lift lid to start.
Problem with doing so as soon as your reset SMC it come back.
If stopping autoboot is causing these problems, your Mac is not operating properly. That bad part there is it's likely to get worse as parts age.
What's the health of your battery? I like app coconutBattery but what you're looking for is remaining capacity. If it's 80% or less, Apple recommends the battery be replaced.
Battery is fine.
What is the remaining capacity in percent?
Nothing wrong, this is how it works, Apple confirmed.
power button doesn't power on
