![]() ![]() For more info, see Change screen brightness in Windows. Some Windows PCs can also adjust the screen brightness automatically based on the light around you. On Battery Only: Adaptive brightness control will only be activated when the device is on battery power. This can result in shorter battery life.Īlways: Adaptive brightness control will always run regardless of whether the device is plugged in or on battery. Off: Adaptive brightness control will be turned off and screen brightness and contrast will not be adjusted. In Display settings, select Brightness, then set the Change brightness based on content drop-down as needed: As you can see in the image above, the current brightness level is 75. Get screen brightness level using PowerShell. ![]() Select the Start button, then enter settings. To get your screen’s brightness level in PowerShell, run the following command: Get - Ciminstance - Namespace root / WMI - ClassName WmiMonitorBrightness Select - ExpandProperty 'CurrentBrightness'. To adjust Content adaptive brightness control settings If these sudden brightness changes are distracting, or if you work in photo and video apps where color accuracy is important to you, these settings can be adjusted to best meet your needs between providing appropriate brightness and contrast and conserving battery life. This is normal.Ĭontent adaptive brightness control provides ideal brightness and contrast levels, while saving power and providing longer battery life at the same time. Depending on which of these features your Windows PC supports, you may see one or two check boxes to control these options in Settings, which we'll cover below.Some Windows 11 PCs can automatically adjust the screen brightness and contrast based on content that’s displayed on your built-in screen. For example, if you’re watching a video that has a dark scene, followed by a brighter scene (for example, one that shows a bright sunny day), the brightness and contrast may change. ![]() Microsoft calls this feature " content adaptive brightness control," or CABC. If so, these changes are based on readings from a light sensor built into your device.Īlso, some PCs allow automatic changes in brightness depending on what you're viewing on your screen, which helps save battery life. Some Windows devices automatically adjust screen brightness based on ambient lighting conditions, and some don't. If you use an external monitor, you probably won't see controls for adaptive brightness in Settings. To access the documentation of your Dell. See the documentation of your Dell monitor for model-specific instructions. Accessing the on-screen display (OSD) menu and navigating the settings vary across each model. Understanding Windows Automatic Brightnessīefore we get started, it's important to know that automatic (or adaptive) brightness only applies to Windows devices with built-in screens such as laptops, tablets, and all-in-one desktop PCs. If the Dell monitor is too bright, or too dim, change the monitor settings using the on-screen display (OSD) menu. All it takes is a quick trip to Settings. If you're tired of your Windows 10 or 11 PC's screen automatically getting brighter or dimmer, it's easy to turn off. How to Disable Adaptive Brightness in Windows 10 or 11.Understanding Windows Automatic Brightness. ![]()
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