There are many ways to shut down your PC—you can turn the PC off completely, you can make it sleep, or you can hibernate the PC.

Windows defaults for screen and sleep have been updated to reduce energy use when your device is idle. The tables below show the new default values for screen and sleep.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System > Display.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Oct 14, 2025 · Sleep mode consumes significantly less power than running a screen saver and allows your computer to quickly resume where you left off. To learn more, see How to adjust power and …

If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & battery , then select Screen and sleep to …

Select Apply all or individually adjust settings that are likely to use more power than average—such as screen brightness, screen saver, and how long your device can be inactive before it goes to sleep or …

Learn how to turn your Surface on, shut it down, restart and wake it, and put it into different power saving states. For general info about these power states and to learn how to change them, see Shut …

You will see different items on the Energy recommendations settings page depending on the type of Windows device you have, whether it is plugged into the wall for power, or running on battery.