Turn Off Your Display
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Select Start , then enter settings in the search box. Select Settings > System > Display > Night light.If your night light toggle is grayed out, you may need to update your display driver. See Update drivers manually in Windows.
Turn on Schedule night light. Then, either select Sunset to sunrise, or select Set hours and enter custom times for the night light to turn on and off.Open Night light settings
Select Start > Settings > System > Display > Night light settings. If your night light toggle above the link is grayed out, you may need to update your display driver. See Update drivers in Windows 10.
Under Schedule, toggle Schedule night light to On. Then, either select Sunset to sunrise, or select Set hours and enter custom times for the night light to turn on and off.Open Night light settings
The Microsoft Store contains a growing number of HDR apps and games. To find HDR games, visit the Microsoft Store online. To watch HDR movies and videos from online providers, you might need to change a few settings to get set up. To play HDR games and use HDR apps, your PC and display must meet certain hardware requirements. For detailed info, see Display requirements for HDR in Windows.
Playing HDR content while running your laptop on battery can reduce battery life. Therefore, your PC manufacturer might have turned HDR off by default for when you're running on battery. You can change the default power setting if you want.
If HDR is turned on when your laptop is plugged in and then you unplug your laptop, HDR will be turned off to help save battery power. If you plug in your laptop again, HDR will be turned on again automatically.
Select Battery options, then select the Allow HDR games, videos, and apps on battery check box or the Allow streaming HDR video on battery check box.If HDR was already turned on when your laptop is plugged in, HDR will now stay on if you unplug it and run on battery power.
You might need to adjust the relative brightness of SDR and HDR content for your HDR-capable display. This is because a display interprets an HDR and SDR signal differently, and the results will vary by make and model.
On a built-in HDR display, the brightness of SDR content is controlled by a separate brightness setting, or it might be controlled automatically. (For more info, see Change screen brightness in Windows.) Since the brightness of SDR content is already set, the HDR content brightness setting will change the brightness of HDR content relative to the brightness of SDR content.
Brightness setting. When viewing HDR content in a bright area, you might need to increase the brightness setting to see the display. However, this will reduce both the effective dynamic range for HDR content in apps and the overall contrast because the darker pixels will appear brighter. To improve the appearance of HDR content, view HDR content in a darker area and use a fairly low brightness setting. If the brightness is set to a very low level, that will increase the overall contrast between the brightest and darkest parts of the content. However, there will be less details in the darker parts of the content. For example, if you have a scene in a movie that shows a dimly lit room at night, you might see less details in that scene.
On HDR-capable laptops, the default power settings will turn off HDR when running on battery power. This can cause undersaturated colors after restarting your PC. To avoid this, plug in your laptop before restarting it, or change the power settings to keep HDR on when running on battery.
The Microsoft Store contains a growing number of HDR apps and games. To find HDR games, visit the Microsoft Store online. To watch HDR movies and videos from online providers, you might need to change a few settings to get set up. To play HDR games and use HDR apps, your PC and display must meet certain hardware requirements. For detailed info, see Display requirements for HDR in Windows 10.
On a built-in HDR display, the brightness of SDR content is controlled by a separate brightness setting, or it might be controlled automatically. (For more info, see Change screen brightness in Windows 10.) Since the brightness of SDR content is already set, the HDR/SDR brightness balance setting will change the brightness of HDR content relative to the brightness of SDR content.
On HDR-capable laptops running Windows 10 Version 1809, colors on the built-in display might appear under saturated, over saturated, or incorrectly in other ways. This can happen when you have an external monitor connected to your laptop and your desktop is duplicated on both displays.
On a laptop with an HDR-capable built-in display, video brightness might change unexpectedly when playing video full screen. This can also happen other times too, such as when resizing the video window.
On an external HDR-capable display, HDR video might not play correctly when the external display is connected to a PC that has a discrete graphics card. For example, the bottom of the display might appear black or incorrectly in other ways.
On an HDR-capable laptop running on Windows 10 version 1809, the brightness level for the built-in display might change unexpectedly when battery saver is turned on. For example, one or more of the following things might occur:
The built-in display brightness level might change when the PC wakes from sleep while running on battery power. This happens if the Turn battery saver on automatically if my battery falls below check box is selected.
If the built-in display becomes brighter when battery saver is turned on, lower the brightness setting manually in Settings > System > Display . After that, the screen should have the correct brightness level again. For more info about how to change the screen brightness, see Change screen brightness in Windows 10.
If the brightness level changes unexpectedly when your PC wakes from sleep, turn off battery saver to work around this problem. To change the battery saver setting, go to Settings > System > Battery , and then clear the Turn battery saver on automatically if my battery falls below check box.
To work around this issue, while battery saver is turned on, change the brightness setting manually in Settings > System > Display . For more info about how to change the screen brightness, see Change screen brightness in Windows 10.
On an HDR-capable laptop running on Windows 10 version 1809, the actual brightness of the built-in display and the brightness setting itself might change when you switch between battery power and AC power.
After your laptop switches between battery power and AC power, change the brightness setting manually in Settings > System > Display . For more info about how to change the screen brightness, see Change screen brightness in Windows 10.
You might be able to fix this problem by updating the display driver. Check with your device manufacturer to see if an updated driver is available. To learn how to update drivers, see Update drivers manually in Windows. If that doesn't fix this problem or an updated driver isn't available, you can try the following workaround.
After you restart your PC, change the brightness setting manually in Settings > System > Display . Even a small change can restore your display to the expected brightness level. For more info about how to change the screen brightness, see Change screen brightness in Windows 10.
Neither Windows 10 nor Windows 11 offer a convenient keyboard shortcut to turn off your screen. Depending on your settings, it can take minutes or hours until your display switches off automatically. We'll show you the easiest ways to control your screen and turn it off whenever you want. Not only will this save you energy, but you'll also prevent screen burn-in and long-term damage.
While Windows doesn't include a keyboard shortcut, your laptop might come with a hotkey to turn the screen off. This varies depending on the laptop manufacturer and model. Check the top row of keys, typically F1-12 keys, for a screen off symbol and try it out. You might have to hold the Fn key (typically in the bottom left) to override the F key and activate the hotkey functionality, though sometimes it's the other way around. 2b1af7f3a8