To do so, click the apple-shaped icon in the top-left corner of the screen., It's near the middle of the drop-down menu., This is a light bulb-shaped icon near the top of the System Preferences window., It's in the bottom-right corner of the window., This option is at the top of the Schedule window., To do so, click the drop-down box to the right of "Start up or wake", then select a frequency (e.g., Every Day, Weekends, etc.)., You'll do this by adjusting the time in the box in the top-right side of the Schedule window., It's at the bottom of the window. Your Mac will now start itself at your specified time.
Open the Apple menu.
Click System Preferences.
Click Energy Saver.
Click Schedule.
Make sure "Start up or wake" is checked.
Select a schedule frequency.
Set the start-up time.
Click OK.
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