It’s slower than sleep mode, but it will save your battery usage for a longer period. It saves a snapshot of the current Windows session to the hard drive so you can turn off your laptop. You can use Hibernation mode as an alternative. Over time, your battery will drain completely. This low-power mode lets you resume your system quickly, but it continues to use the battery. When you close your laptop’s lid or leave it unattended for a while, it enters Sleep mode. You can also go to Settings > System > Display to change the brightness settings. The Action Center menu appears, and you see a brightness slider at the bottom click and move it to the left to reduce the screen’s brightness. To open it, click the Notification icon in the bottom-right of the task bar.
With the exception of the keyboard keys, the easiest way to reduce screen brightness is to use the Windows Action Center. There are a few ways to reduce screen brightness. If you reduce the screen brightness, you can lower your laptop’s power usage significantly. On a high setting, the screen brightness level can drain your laptop’s battery. If you want to change when this mode automatically activates, right-click the Start menu, and then click “Settings.” From here, click “System,” and then “Battery.” Click and move the slider to change the automatic “Battery Saver” activation point from 20 percent. To enable Battery Saver mode, drag the slider all the way to the left.
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