Change Energy Saver preferences on Mac
Use Energy Saver System Preferences to set options that control your computer’s energy use.
Important: The table below lists all of the options available in the Energy Saver pane of System Preferences. Because the features of the computer you’re using determine the options shown, you may not see all the options listed below.
To open the pane, choose Apple menu > System Preferences, then click Energy Saver.
Open Energy Saver preferences for me
Option | Description |
---|---|
Power Adapter and UPS | Click Power Adapter or UPS, then select energy-saving options for that power source. Your Mac will use those options when it’s getting power from that source. You see the UPS button only if your Mac is connected to an uninterruptible power source. |
“Computer sleep” and “Display sleep” sliders, or “Turn display off after” slider | Drag the slider to set the amount of time your computer or display should wait before going to sleep. |
Put hard disks to sleep when possible | Put the computer’s hard disk to sleep whenever it’s inactive. |
Wake for network access | Users can access your computer’s shared resources, such as shared printers or Music playlists, even when your computer is in sleep mode. |
Enable Power Nap | Permits your computer to do Time Machine backups, and check for email, calendar, and other iCloud updates while in sleep mode. |
Allow power button to put computer to sleep | Allows you to press the power button to put your computer to sleep. |
Prevent computer from sleeping automatically when the display is off | Prevents the computer from going to sleep when the display sleeps. |
Start up automatically after a power failure | Start up your Mac after a power interruption. |
Schedule | Set a daily schedule for putting your Mac to sleep or turning it off and on. |