HDR或高动态范围^{(High Dynamic Range)}允许人们体验更大范围的颜色和亮度（每单位面积从表面发出的光强度），这在玩游戏和看电影时特别有用。许多游戏和电影都支持它，但即使你的显示器支持它，Windows 直到现在也没有它。这篇文章将分享如何在Windows 11/10自动 HDR^{(Auto HDR)} ，以便在可用时进行无缝切换。

什么是自动 HDR^{(Auto HDR)}，它如何^(How)影响游戏体验^{(Gaming Experience)}？

HDR技术支持更多细节，提供身临其境的真实体验。重要的是要了解这些已经存在；HDR在受支持的硬件上启用它并使其对您可见。例如，令人印象深刻的是，在黑暗^(Dark)中看到早期只是黑暗的细节，而已经可见的东西更加容光焕发。

如果视频或游戏等应用程序支持自动 HDR^{(Auto HDR)}，则可以启用它。然而，HDR也更进一步。即使游戏或视频不支持它，它也会以数字方式增强内容并提供比常规SDR更好的体验。

^{(Hardware Requirement)}Windows 11/10中HDR的硬件要求

除了查看Windows 设置^{(Windows Settings)}外，在购买显示器之前，请查看官网列表中是否提及HDR10。除此之外，Display Port应该是 1.4 或HDMI是 2.0。显示亮度应为 300 尼特或更高。当然，GPU的支持是必不可少的。

如何在Window 11/10自动 HDR^{(Auto HDR)}

1. 打开 Settings (Win + I), 然后导航到系统^(System)>显示^(Display)
2. 单击 Windows 高清颜色设置 ^{(Windows HD Color Settings )}链接
3. 向下滚动、定位并将使用^(Use) HDR 切换设置为 开^( On)
4. 当您进一步滚动时，您可以找到 自动 HDR ^{(Auto HDR )}切换。
5. 单击以将其也设置为“开^{(set this to On)}”，就是这样。

如果您想禁用它，请返回相同的设置，然后将其关闭。

在Windows 11中，您将在此处找到设置：

如何在同一屏幕上查看 HDR^{(View HDR)}和SDR ？

微软^(Microsoft)提供了一个绝妙的技巧，可以让你同时看到HDR和SDR内容。它被称为分屏模式。这些步骤包括修改注册表^(Registry)文件，因此请确保备份相同^{(backup the same)}或创建还原点。此外，您还需要

• 通过在开始屏幕中键入 CMD打开命令提示符
• 一旦它出现在列表中，选择以管理员身份运行
• 要启用分屏，请运行以下命令：

reg add HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /t REG_DWORD /d 1

• 现在打开一个包含HDR内容的视频，您应该会看到不同之处。
• 要禁用分屏，请运行以下命令：

reg delete HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /f

我希望这篇文章很容易理解，并且您能够在Windows中启用^(Windows)自动 HDR^{(Auto HDR)}支持。

如果您没有看到它并且确定硬件支持它，那么更新可能仍在为您推出。

阅读下一篇^{(Read next)}：在 Windows 中更改屏幕分辨率、颜色校准、校准 ClearType 文本。^{(Change Screen Resolution, Color Calibration, Calibrate ClearType Text)}

How to enable Auto HDR in Window 11/10

HDR or High Dynamic Range allows one to experience an increased range of color and luminance (the intensity of light emitted from a surface per unit area), which is especially useful when it comes to gaming and watching movies. Many games and movies support it, but even if your monitor supported it, Windows did not have it until now. This post will share how you can enable Auto HDR in Windows 11/10 for seamless switching when it is available.

What is Auto HDR, and How does it affect the Gaming Experience?

HDR enables techniques that enabled more detailing, delivering an immersive, realistic experience. It is important to understand that these are already there; HDR enables it on supported hardware and makes it visible to you. For example, it is impressive to see details in Dark which was earlier only dark, and what was already visible more radiant.

Auto HDR makes it possible to enable it if the video or the apps such as games support it. However, HDR also takes one more step. Even if the games or videos don’t support it, it digitally enhances the content and delivers a better experience over regular SDR.

Hardware Requirement for HDR in Windows 11/10

Apart from checking in the Windows Settings, before buying a monitor, check if there is a mention of HDR10 on the official website listing. Along with that it the Display Port should be 1.4 or HDMI is 2.0. The display brightness should be 300 nits or more. Of course, it goes without saying that support from GPU is essential.

How to enable Auto HDR in Window 11/10

1. Open Settings (Win + I), and navigate to System > Display
2. Click the Windows HD Color Settings link
3. Scroll down, locate, and set Use HDR toggle to On
4. When you scroll further, you can find the Auto HDR toggle.
5. Click to set this to On as well, and that’s it.

If you wish to disable it, come back to the same settings, and toggle it off.

In Windows 11, you will find the settings here:

How to View HDR and SDR on the same screen?

Microsoft has included a nifty trick that allows you to see both HDR and SDR content side but side. It’s called split-screen mode. The steps include modifying Registry files, so make sure to backup the same or create a restore point. Also, you will need to

• Open Command Prompt by typing CMD in the Start screen
• Once it appears in the list, choose to run as administrator
• To enable split-screen, run the following command:

reg add HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /t REG_DWORD /d 1

• Now open a video that has HDR content, and you should see the difference.
• To disable split-screen, run the following command:

reg delete HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /f

I hope the post was easy to follow, and you were able to enable Auto HDR support in Windows.

If you don’t see it and are sure the hardware supports it, then the update may still be rolling out for you.

Read next: Change Screen Resolution, Color Calibration, Calibrate ClearType Text in Windows.

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