![]() Choose your day (s) to shut down, and then choose the time of day. At some point, Apple combined these sliders into one to encourage people to let their computers sleep by default, thereby theoretically helping to conserve energy. Shutdown Check the box next to Sleep, then click on the arrows next to Sleep to open a menu. Earlier versions of macOS included two sliders in this preference pane: one to set when the display turns off, and one to set when the computer goes to sleep. When trying to configure your Mac to automatically sleep, confusion often arises because the option isn’t spelled out in Energy Saver preferences. In System Preferences, click “Energy Saver.” If you’re looking for a way to configure when your Mac sleeps after a certain period of time, you need to visit the “Energy Saver” panel in “System Preferences.” Click the “Apple” logo in the upper-left corner of the screen and select “System Preferences.” The second checkbox allows you to apply the same choices to when you want your Mac to sleep, restart, or shutdown, but you can only choose one of those three actions. ![]() Check if the power supply is switched on, and if it is, make sure that all cables are connected to all components. It might not even be doing a POST at all. RELATED: How to Keep Your MacBook Awake While Closed For Automatic Sleep on a Timer, Visit Energy Saver Scheduling Shutdown and Startup in System Prefs You can choose to startup/wake your Mac at a set time on a specific day of the week, just weekends, weekdays, or everyday. The Soft Shutdown is issued at finder level and ask to all the running app to quit before shut down the Mac (is the method used also in the previous release 2). It might sound silly, but sometimes your problem is just related to the power supply being improperly connected. If you’d like your MacBook to stay awake while closed, you’ll need to plug in an external display or use a third-party utility. Unfortunately, there is no setting in System Preferences to change this. Mac laptops automatically sleep when you close the lid to conserve battery life.
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