修复无法在 Windows 10 中调整屏幕亮度： ^{(Fix Can’t adjust screen brightness in Windows 10: )}如果您最近升级到Windows 10，那么您可能会遇到无法调整屏幕亮度的^{(can’t adjust the screen brightness)}烦人问题，简而言之，屏幕亮度设置停止工作。如果您尝试使用Windows 设置^{(Windows Settings)}应用程序调整亮度，您将无法更改任何内容，因为向上或向下拖动亮度级别将无济于事。现在，如果您尝试使用关键字上的亮度键调整亮度，那么它会显示亮度级别上下变化，但实际上不会发生任何事情。

为什么我无法在 Windows^{(unable to adjust screen brightness on Windows)} 10 上调整屏幕亮度？^{(Why I am unable to adjust screen brightness on Windows 10?)}

如果您启用了自动电池管理，那么如果电池开始变低，亮度将自动更改为暗设置。在您更改电池管理设置或为笔记本电脑充电之前，您将无法再次调整亮度。但问题可能有很多不同的原因，例如驱动程序损坏、电池配置不正确、ATI 错误^{(ATI bug)}等。

这是很多Windows 10用户现在面临的一个相当普遍的问题。由于显示驱动程序损坏或不兼容，也可能导致此问题，幸运的是，此问题可以轻松解决。因此，无需再浪费时间，让我们看看如何在下面列出的步骤的帮助下实际修复 Windows 10 中无法调整屏幕亮度的问题。^{(fix can’t adjust screen brightness in Windows 10)}

修复^(Fix)Windows 10中无法调整屏幕亮度^{(Adjust Screen Brightness)}的问题

确保 创建一个还原点^{(create a restore point)} 以防万一出现问题。

方法 1：更新显示适配器驱动程序^{(Method 1: Update Display Adapter Drivers)}

1. 按 Windows 键 + R 然后键入devmgmt.msc并按 Enter 打开设备管理器。^{(Device Manager.)}

2. 展开显示适配器^{(Display adapters)}，然后右键单击集成显卡并选择更新驱动程序。^{(Update Driver.)}

注意：^(Note:)集成显卡类似于Intel HD Graphics 4000。

3.然后点击自动搜索更新的驱动软件^{(Search automatically for updated driver software)}，让它自动安装驱动。

注意：^(Note:) 确保^(Make)您有良好的互联网连接，以便Windows自动下载最新的驱动程序。

4.重新启动您的PC，看看问题是否已解决。

5. 如果没有，请再次选择更新驱动程序^{(Update Driver)}，这次单击浏览我的计算机以查找驱动程序软件。^{(Browse my computer for driver software.)}

6. 接下来，单击 底部的让我从计算机上的可用驱动程序列表中选择选项。^{(Let me pick from a list of available drivers on my computer)}

7. 现在选中^(checkmark)“显示兼容硬件^{(Show compatible hardware)}”，然后从列表中选择Microsoft Basic Display Adapter并单击下一步。^(Next.)

8. 让它安装基本的Microsoft显示驱动程序并重新启动您的 PC 以保存更改。

方法 2：从图形设置中调整亮度^{(Method 2: Adjust the brightness from Graphics Settings)}

1. 右键单击​​桌面上的空白区域，然后选择Intel Graphics Settings。

2. 现在点击Intel HD Graphics Control Panel中的Display。

3. 从左侧菜单中，选择颜色设置。^{( Color Settings.)}

4.根据您的喜好调整亮度滑块，完成后，单击^(Brightness)应用。^{( Apply.)}

方法 3：^{(Method 3: )}使用电源选项调整屏幕亮度^{(Adjust screen brightness using Power Options)}

1. 右键单击​​任务栏上的电源图标^{(Power icon)}，然后选择电源选项。^{( Power Options.)}

2. 现在单击当前活动电源计划旁边的更改计划设置。^{(Change plan settings)}

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

4. 在高级^(Advanced)设置窗口中，找到并展开显示。^{( Display.)}

5. 现在找到并单击以下各项以展开各自的设置：

显示亮度 显示亮度^{(Display brightness)}
变暗^{(Dimmed display brightness)}
启用自适应亮度^{(Enable adaptive brightness)}

5.将其中的每一项更改^(Change)为您希望的设置，但请确保“启用自适应亮度^{(Enable adaptive brightness)}”已关闭。 ^{(turned off. )}

6. 完成后，单击应用^(Apply)，然后单击确定。

7. 重新启动您的 PC 以保存更改。

方法 4：启用通用 PnP 监视器^{(Method 4: Enable Generic PnP Monitor)}

1. 按 Windows 键 + R 然后键入devmgmt.msc并按 Enter 打开设备管理器。^{(Device Manager.)}

2. 展开Monitors，然后右键单击Generic PnP Monitor并选择Enable。

3.重新启动您的PC以保存更改，看看您是否能够修复Windows 10中无法调整屏幕亮度的问题。^{(fix can’t adjust screen brightness in Windows 10 issue.)}

方法 5：更新通用 PnP 监视器驱动程序^{(Method 5: Update Generic PnP Monitor Driver)}

1. 按 Windows 键 + R 然后键入devmgmt.msc并按 Enter。

2. 展开监视器^{( Monitors)}，然后右键单击通用 PnP 监视器^{(Generic PnP Monitor)}并选择更新驱动程序。^{( Update Driver.)}

3. 选择浏览我的计算机以查找驱动程序软件。^{(Browse my computer for driver software.)}

4. 接下来，单击 底部的让我从计算机上的可用驱动程序列表中选择选项。^{(Let me pick from a list of available drivers on my computer)}

5. 现在选择通用即插即用监视器^{( Generic PnP Monitor)}并单击下一步。

6.重新启动您的PC以保存更改，看看您是否能够修复Windows 10上无法调整屏幕亮度的问题。^{(fix unable to adjust screen brightness on Windows 10 issue.)}

方法六：更新显卡驱动^{(Method 6: Update Graphics Card Driver)}

如果Nvidia Graphics驱动程序损坏、过时或不兼容，那么您将无法在Windows 10中调整屏幕亮度。当您更新 Windows 或安装第三方应用程序时，它可能会损坏您系统的视频驱动程序。为了解决此问题，您需要更新显卡驱动程序以解决根本原因。如果您遇到任何此类问题，那么您可以在本指南的帮助下轻松更新显卡驱动程序^{(update graphics card drivers with the help of this guide)}。

方法七：删除 PnP Monitors 下的隐藏设备^{(Method 7: Delete hidden devices under PnP Monitors)}

1. 按 Windows 键 + R 然后键入devmgmt.msc并按 Enter。

2. 现在从设备管理器^{(Device Manager)}菜单中单击 View > Show hidden devices.

3. 右键单击​​监视器^(Monitors)下列出的每个隐藏设备，然后选择卸载^(Uninstall) 设备。^(Device.)

4. 重新启动您的 PC 以保存更改并查看您是否能够在 Windows 10 中调整屏幕亮度。^{(adjust screen brightness in Windows 10.)}

方法 8：注册表修复^{(Method 8: Registry Fix)}

注意：^(Note:)此方法仅适用于拥有ATI显卡且已安装Catalyst的用户。

1. 按 Windows 键 + R 然后键入regedit并按Enter打开注册表编辑器^{(Registry Editor)}。

2. 导航到以下注册表^(Registry)项：

HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Control\Class \ {4d36e968-e325-11ce-bfc1-08002be10318} \ 0000

3. 现在双击以下注册表^(Registry)项并将其值设置为 0，^{(set their value to 0 )}然后单击确定：

MD_EnableBrightnesslf2
KMD_EnableBrightnessInterface2

4. 接下来，导航到以下键：

HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Class \{4d36e968-e325-11ce-bfc1-08002be10318} \ 0001

5. 再次双击MD_EnableBrightnesslf2和KMD_EnableBrightnessInterface2 ，然后将它们的值设置为 0。

6. 关闭所有内容并重新启动 PC 以保存更改。

为你推荐：^{(Recommended for you:)}

• 修复启动时的 BackgroundContainer.dll 错误^{(Fix BackgroundContainer.dll error on Startup)}
• 如何修复 Windows 无法连接到打印机^{(How To Fix Windows Cannot Connect to the Printer)}
• 在设备管理器中修复网络适配器错误代码 31^{(Fix Network Adapter Error Code 31 in Device Manager)}

我希望上述步骤对您有所帮助，并且您能够 修复 Windows 10 中无法调整屏幕亮度的^{(fix Can’t Adjust Screen Brightness in Windows 10)}问题，但如果您对这篇文章仍有任何疑问，请随时在评论部分提出。

Fix Can't adjust screen brightness in Windows 10

Fix Can’t adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you can’t adjust the screen brightness, in short, screen brightness settings stopped working. If you try to adjust the brightness using Windows Settings apps, you won’t be able to change anything, as dragging the brightness level up or down will do nothing. Now if you try to adjust brightness using the brightness keys on the keyword then it would display the brightness level going up and down, but nothing would actually happen.

Why I am unable to adjust screen brightness on Windows 10?

If you have enabled automatic battery management then if the battery starts to become low the brightness will be automatically changed to dim settings. And you won’t be able to adjust the brightness again until you will change the battery management settings or charge your laptop. But the issue can be a number of different things for example corrupted drivers, incorrect battery configuration, ATI bug, etc.

This is quite a common issue which a lot of Windows 10 users are facing right now. This issue can also be caused because of the corrupt or incompatible display driver and thankfully this issue can be easily resolved. So without wasting any more time let’s see how to actually fix can’t adjust screen brightness in Windows 10 with the help of below-listed steps.

Fix Can’t Adjust Screen Brightness in Windows 10

Make sure to create a restore point just in case something goes wrong.

Method 1: Update Display Adapter Drivers

1. Press Windows Key + R then type devmgmt.msc and hit Enter to open Device Manager.

2. Expand Display adapters and then right-click on the integrated graphics card and select Update Driver.

Note: The integrated graphics card would be something like Intel HD Graphics 4000.

3. Then click Search automatically for updated driver software and let it install the driver automatically.

Note: Make sure you have a good internet connection in order for Windows to automatically download the latest drivers.

4. Reboot your PC and see if the issue is resolved or not.

5. If not then again select Update Driver and this time click on Browse my computer for driver software.

6. Next, click on Let me pick from a list of available drivers on my computer option at the bottom.

7. Now checkmark “Show compatible hardware” then from the list select Microsoft Basic Display Adapter and click Next.

8. Let it install the basic Microsoft display driver and reboot your PC to save changes.

Method 2: Adjust the brightness from Graphics Settings

1. Right-click in an empty area on the desktop then select Intel Graphics Settings.

2. Now click on Display from the Intel HD Graphics Control Panel.

3. From the left-hand menu, select Color Settings.

4. Adjust the Brightness slider according to your liking and once done, click Apply.

Method 3: Adjust screen brightness using Power Options

1. Right-click on the Power icon on the taskbar and select Power Options.

2. Now click Change plan settings next to currently active power plan.

3. Click Change advanced power settings at the bottom.

4. From the Advanced settings window, find and expand Display.

5. Now locate and click each of the following to expand their respective settings:

Display brightness
Dimmed display brightness
Enable adaptive brightness

5. Change each of these to the settings you wish, but make sure “Enable adaptive brightness” is turned off. 

6. Once done, click Apply followed by OK.

7. Reboot your PC to save changes.

Method 4: Enable Generic PnP Monitor

1. Press Windows Key + R then type devmgmt.msc and hit Enter to open Device Manager.

2. Expand Monitors and then right-click on Generic PnP Monitor and select Enable.

3. Reboot your PC to save changes and see if you’re able to fix can’t adjust screen brightness in Windows 10 issue.

Method 5: Update Generic PnP Monitor Driver

1. Press Windows Key + R then type devmgmt.msc and hit Enter.

2. Expand Monitors and then right-click on Generic PnP Monitor and select Update Driver.

3. Select Browse my computer for driver software.

4. Next, click on Let me pick from a list of available drivers on my computer option at the bottom.

5. Now select Generic PnP Monitor and click Next.

6. Reboot your PC to save changes and see if you’re able to fix unable to adjust screen brightness on Windows 10 issue.

Method 6: Update Graphics Card Driver

If the Nvidia Graphics drivers are corrupted, outdated or incompatible then you won’t be able to adjust screen brightness in Windows 10. When you update Windows or install a third-party app then it can corrupt the video drivers of your system. In order to resolve this issue, you need to update your graphics card drivers in order to fix the underlying cause. If you face any such issues then you can easily update graphics card drivers with the help of this guide.

Method 7: Delete hidden devices under PnP Monitors

1. Press Windows Key + R then type devmgmt.msc and hit Enter.

2. Now from Device Manager menu click View > Show hidden devices.

3. Right-click on each of the hidden devices listed under Monitors and select Uninstall Device.

4. Reboot your PC to save changes and see if you’re able to adjust screen brightness in Windows 10.

Method 8: Registry Fix

Note: This method is only for users who have ATI graphics card and have Catalyst installed.

1. Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

2. Navigate to the following Registry key:

HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Control\Class \ {4d36e968-e325-11ce-bfc1-08002be10318} \ 0000

3. Now double-click on the following Registry keys and set their value to 0 then click OK:

MD_EnableBrightnesslf2
KMD_EnableBrightnessInterface2

4. Next, navigate to the following key:

HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Class \{4d36e968-e325-11ce-bfc1-08002be10318} \ 0001

5. Again double-click on MD_EnableBrightnesslf2 and KMD_EnableBrightnessInterface2 then set their value’s to 0.

6. Close everything and restart your PC to save changes.

Recommended for you:

• Fix BackgroundContainer.dll error on Startup
• How To Fix Windows Cannot Connect to the Printer
• Fix Network Adapter Error Code 31 in Device Manager

I hope the above steps were helpful and you were able to fix Can’t Adjust Screen Brightness in Windows 10 but if you still have any questions regarding this post feel free to ask them in the comment section.

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