如果你有点担心眼睛的安全，那么这篇文章就是为你准备的，Windows 10/8/7 非常关心用户的健康，自适应^(Adaptive)亮度是它获得的众多功能之一。如果您每天在 PC 上花费超过 4 小时，那么您必须关心 PC 的显示亮度、对比度和色彩级别。

Windows 10 中的自适应亮度

自适应亮度^{(Adaptive brightness)}是Windows检查计算机周围环境的照明条件并自动调整亮度和对比度级别的一项功能。

自适应亮度^{(Adaptive Brightness)}功能建立在Windows 传感器平台^{(Windows Sensor Platform)}之上。此功能将根据环境光线水平调整屏幕亮度。如果环境亮度变暗，那么屏幕亮度会降低，如果它增加，那么亮度会增加。

要使用自适应亮度，您必须在计算机上安装并启用光传感器。

打开或关闭自适应亮度

1.单击开始^{(Click Start)}并打开控制面板^{(Control Panel)}。现在从列表中选择电源选项。^{(Power Options)}

2. 在任何计划下，单击更改^(Change)计划设置。

3. 单击更改高级电源设置^{(Change advanced power settings)}。

4. 在列表中，展开显示^{( Display)}，然后展开启用自适应亮度^{(Enable adaptive brightness)}。

• 要在计算机依靠电池供电时打开或关闭自适应亮度，请单击电池供电 ，然后^(Battery)在列表中单击打开或关闭^(Off)。
• 要在计算机插入插座时打开或关闭自适应亮度，请单击已插入^(Plugged)，然后在列表中单击打开或关闭^(Off)。

5.如果没有看到，说明可能没有安装Light Sensors或者你的电脑不支持自适应亮度

• 去这里看看是否安装了光传感器^(Sensors)：Control Panel > Hardware和Sound > Location和其他传感器^(Sensors)。否则按WinKey，键入“ Sensors ”并按Enter 键^(Enter)将其打开。
• 要了解您的笔记本电脑或计算机显示器是否支持自适应亮度，请在电源选项中查找^{(Power Options)}启用^(Enable)自适应亮度设置。

6. 单击应用^(Apply)。单击确定^(OK)。

如果这对您不起作用，那么您可能必须从服务^(Services)管理器^(Manager)或 services.msc中禁用传感器监控服务^{(Sensor Monitoring Service)}( SensrSvc ) 。此Windows 服务^{(Windows Service)}监视各种传感器并使系统适应用户状态。如果禁用此服务，显示屏亮度将无法适应照明条件。它甚至可能影响系统的其他功能。

自适应亮度仅适用于Windows的^(Windows)Ultimate、Professional和Enterprise版以及特定笔记本电脑或台式机型号。

如果您的Windows 笔记本电脑屏幕亮度闪烁^{(Windows laptop screen brightness is flickering)}，请参阅此帖子。^{(See this post if your Windows laptop screen brightness is flickering.)}

Enable or Turn on and Use Auto or Adaptive Brightness in Windows 10

If you arе a bit concerned about the safety of уour eyes, then this article is for you, Windows 10/8/7 carеs a lot about the health of іts user, and Adaptive brightness is among one of many feаtures it got. If you spend more than 4 hours daily оn your PC, then you muѕt сare about the brightness, contrast, and color level of display of your PC.

Adaptive Brightness in Windows 10

Adaptive brightness is a feature where Windows checks the lighting conditions of your computer’s surroundings and adjusts the brightness and contrast level automatically.

The Adaptive Brightness feature is built on top of the Windows Sensor Platform. This feature will adjust the screen brightness according to the ambient light level. If the ambient light level gets darker, then the screen brightness will decrease if it increases, then the brightness increases.

To use adaptive brightness, you must have light sensors installed and enabled on your computer.

Turn adaptive brightness on or off

1. Click Start and open Control Panel. Now select Power Options from the list.

2. Under any plan, click Change plan settings.

3. Click Change advanced power settings.

4. In the list, expand Display, and then expand Enable adaptive brightness.

• To turn adaptive brightness on or off when your computer is running on battery power, click On Battery, and then, in the list, click On or Off.
• To turn adaptive brightness on or off when your computer is plugged into an outlet, click Plugged in, and then, in the list, click On or Off.

5. If you don’t see it, it means that Light Sensors may not be installed or that your computer does not support adaptive brightness

• Go here and see if Light Sensors are installed: Control Panel > Hardware and Sound > Location and Other Sensors. Else press WinKey, type ‘Sensors’ and hit Enter to open it.
• To find out if your laptop or computer monitor supports adaptive brightness, look for the Enable adaptive brightness setting in Power Options.

6. Click Apply. Click OK.

If this does not work for you, then you may have to disable the Sensor Monitoring Service (SensrSvc) from the Services Manager or services.msc. This Windows Service monitors various sensors and makes the system adapt to the user state. If this service is disabled, the display brightness will not adapt to lighting conditions. It may even affect other functions of the system, as well.

Adaptive brightness is only available in Ultimate, Professional and Enterprise editions of Windows and on select laptop or desktop models.

See this post if your Windows laptop screen brightness is flickering.

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