为什么我在任务管理器中看到 dwm.exe？(Why I am seeing dwm.exe in Task Manager?)
在检查系统的任务管理器(Task Manager)时，您可能已经注意到dwm.exe（桌面窗口管理器）(dwm.exe (Desktop Window Manager))。我们大多数人都不知道这个术语或其在我们系统中的用法/功能。如果我们用很简单的话来解释，它是一个控制和命令Windows的显示和(Windows)像素(pixels)的系统进程。它管理高分辨率支持、3D 动画、图像和所有内容。它是一个合成窗口管理器，它从不同的应用程序收集图形数据，并在用户看到的桌面上生成最终图像。Windows中的每个应用程序都会在内存中的特定位置创建自己的图像，dwm.exe 将所有图像组合成一个图像，作为最终图像显示给用户。基本上(Basically)，它在渲染系统的GUI（图形用户界面）(GUI (Graphical User Interface))方面起着至关重要的作用 。
这个 DWM.EXE 有什么作用？(What does this DWM.EXE do?)
DWM.EXE是一个Windows服务，它允许Windows填充透明度和桌面图标等视觉效果。当用户使用各种Windows(Windows)组件时，此实用程序还有助于显示实时缩略图。当用户连接他们的高分辨率外部显示器时，也会使用此服务。
现在您可能已经知道桌面窗口管理器(Desktop Window Manager)到底做了什么。是的，这完全与系统的显示和像素有关。无论您在 Windows 上看到的图像、3D 效果等等，都由 dwm.exe 控制。
它会让你的系统变慢吗？(Does it make your system slow?)
如果您认为桌面窗口管理器(Desktop Window Manager)会降低您的系统性能，那并不完全正确。当然，它确实消耗了系统的大量资源。但有时会因为系统病毒、绝对显卡驱动等因素而占用更多内存(RAM)和CPU 。此外，您可以对显示设置进行一些更改，以减少dwm.exe的(CPU)CPU使用率。
有没有办法禁用 DWM.EXE？(Is there a way to disable DWM.EXE?)
不，您的系统上没有可用于禁用或启用此功能的选项。在以前的Windows版本（例如Vista和Windows 7）中，您可以使用该功能禁用此功能。但是，现代Windows 操作系统在您的操作系统中具有非常密集的集成视觉服务，没有(Windows OS)桌面窗口管理器(Desktop Window Manager)就无法运行。此外，你为什么要这样做。无需关闭此功能，因为它不会占用您系统的大量资源。它在功能和管理资源方面变得更加先进，因此您无需费心禁用它。
如果 (What if )桌面窗口管理器 使用高 CPU 和 RAM 怎么办？(is using high CPU & RAM?)
注意到一些事件，其中许多用户指责桌面窗口管理器在其系统上的(Desktop Window Manager)CPU使用率很高。您需要做的第一件事是检查此函数消耗了多少CPU使用率和RAM 。
步骤 1 –按“ CTRL +Alt +Delete打开任务管理器(Open Task Manager)。
第 2 步 – 在Windows 进程下，(Windows Processes,)您会找到桌面窗口管理器。(Desktop Window Manager.)
第 3 步 – 您可以在表格图表上查看其RAM和CPU使用情况。(CPU)
方法 1：禁用透明效果(Method 1: Disable Transparency Effects)
您可以做的第一件事是禁用系统的透明设置，这将减少桌面窗口管理器的(Desktop Window Manager)CPU使用率。
1.按Windows Key + I 打开设置(Settings)，然后单击 个性化。(Personalization.)
2.现在在个性化下，单击左侧菜单中的颜色。(Colors)
3.单击透明效果(Transparency effects)下的切换按钮将其关闭。
方法2：关闭系统的所有视觉效果(Method 2: Turn off all the Visual Effects of your system )
这是另一种减轻桌面窗口管理器负担的方法。
1.右键单击“这台电脑(This PC)”并选择属性。(Properties.)
2.这里你需要点击高级系统设置(Advanced system settings)链接。
3.现在切换到高级选项卡(Advanced tab)，然后单击性能下的设置( Settings)按钮。( Performance.)
4.选择“调整以获得最佳性能(Adjust for best performance)”选项。
5.单击应用(Apply)，然后单击确定以保存更改。
方法 3：禁用屏幕保护程序(Method 3: Disable Screensaver)
您的屏幕保护程序也由桌面 Windows 管理器(Desktop Windows Manager)控制和管理。已经注意到，在Windows 10的最新更新中，许多用户报告说屏幕保护程序设置正在消耗高CPU使用率。因此，在此方法中，我们将尝试禁用屏幕保护程序以检查CPU使用率是否降低。
1.在Windows搜索栏中键入锁屏设置，然后( lock screen settings)按 Enter 键(Enter)打开锁(Lock)屏设置。
2.现在从锁定(Lock)屏幕设置窗口，单击底部的屏幕保护程序设置链接。(Screen saver settings)
3.您的系统可能已激活默认屏幕保护程序。许多用户报告说有一个黑色背景图像的屏幕保护程序已经被激活，但他们从未意识到它是一个屏幕保护程序。
4.因此，您需要禁用屏幕保护程序以修复桌面窗口管理器高 CPU 使用率（DWM.exe）。(fix the Desktop Window Manager High CPU usage (DWM.exe). )从屏幕保护程序下拉列表中选择（无）。((None).)
5.单击应用(Apply)，然后单击确定以保存更改。
方法 4：确保所有驱动程序都已更新(Method 4: Make sure all Drivers are updated)
减慢 PC 速度的最大因素之一是驱动程序不是最新的，或者它们只是损坏了。如果您的系统驱动程序已更新，那么它将减轻您的系统负担并释放您的一些系统资源。但是，主要更新显示驱动程序(updating Display drivers)将有助于减轻桌面窗口管理器(Desktop Window Manager)的负担。但在 Windows 10 上更新设备驱动程序始终是一个好主意。(update Device Drivers)
方法 5：运行性能疑难解答(Method 5: Run the Performance Troubleshooter)
1.在Windows 搜索中键入(Windows Search)powershell ，然后右键单击Windows PowerShell并选择以管理员身份运行。(Run as administrator.)
2.在PowerShell(PowerShell)中键入以下命令并按Enter：
msdt.exe -id 维护诊断(msdt.exe -id MaintenanceDiagnostic)
3.这将打开系统维护疑难解答( System Maintenance Troubleshooter)，单击下一步。(Next.)
4.如果发现问题，请确保单击修复(Repair)并按照屏幕上的说明完成该过程。
5.再次在PowerShell(PowerShell)窗口中键入以下命令并按Enter：
msdt.exe /id PerformanceDiagnostic
6.这将打开性能疑难解答(Performance Troubleshooter)，只需单击下一步( Next)并按照屏幕上的说明完成。
dwm.exe是病毒吗？(Is dwm.exe a virus?)
不，它不是病毒，而是管理所有显示设置的操作系统的一个组成部分。它默认位于Windows安装驱动程序中的(Windows)Sysetm32文件夹中，如果它不存在，那么你应该开始担心了。
受到推崇的：(Recommended:)
希望您对什么是桌面窗口管理器(Desktop Window Manager)以及它的执行方式有所了解。此外，它在您的系统上消耗的资源非常少。您需要记住的一件事是，它是系统不可或缺的一部分，因此您不应对其进行任何不必要的更改。您所能做的就是检查它消耗了多少使用量，如果您发现它消耗很多，那么您可以采取上述措施。如果您想了解更多，请分享您的意见。
What is dwm.exe (Desktop Window Manager) Process?
Why I am seeing dwm.exe in Task Manager?
While checking your system’s Task Manager, you might have noticed dwm.exe (Desktop Window Manager). Most of us are not aware of this term or its usage/function in our system. If we explain it in very simple words, it is a system process that controls and commands the display & pixels of Windows. It manages high-resolution support, 3D animation, images, and everything. It is a compositing window manager which collects graphical data from different apps and develops a final image on the desktop that users see. Each application in Windows creates its own image to a particular place in memory, dwm.exe combines all of them into one image displays as a final image to the user. Basically, it has a crucial part in rendering the GUI (Graphical User Interface) of your system.
What does this DWM.EXE do?
DWM.EXE is a Windows service that allows Windows in filling visual effects like transparency and desktop icons. This utility also helps in displaying live thumbnails when the user uses various Windows components. This service is also used when users connect their high-resolution external displays.
Now you might have got an idea what exactly Desktop Window Manager does. Yes, it is all about the display and pixels of your system. Whatever you see on your Windows in terms of images, 3D effects and all are controlled by dwm.exe.
Does it make your system slow?
If you think that the Desktop Window Manager reduces your system performance, it is not completely true. Sure, it does consumes a large resource of the system. But sometimes it takes more RAM and CPU usage because of some factors such as viruses on your system, absolute graphics drivers, etc. Moreover, you can make some changes in the display setting to reduce the CPU usage of dwm.exe.
Is there a way to disable DWM.EXE?
No, there is no option available to disable or enable this function on your system. In the previous Windows versions such as Vista and Windows 7, there was the feature using which you could have disabled this function. But, modern Windows OS has very intensively integrated visual service within your OS which cannot be run without Desktop Window Manager. Moreover, why you would do that. There is no need to turn off this function because it does not take a large number of resources of your system. It has become more advanced in functioning & managing the resources, so you do not need to bother to disable it.
What if Desktop Window Manager is using high CPU & RAM?
There are some incidents noticed wherein many users accused Desktop Window Manager of high CPU usage on their system. The first thing that you need to do is check how much CPU usage and RAM this function is consuming.
Step 1 – Open Task Manager by pressing “CTRL +Alt +Delete”.
Step 2 – Here under Windows Processes, you will find Desktop Window Manager.
Step 3 – You can check its RAM and CPU usage on the table chart.
Method 1: Disable Transparency Effects
The first thing that you can do is disable the transparent setting of your system which will reduce the CPU usage of Desktop Window Manager.
1.Press Windows Key + I to open Settings then click on Personalization.
2.Now under Personalization, click on Colors from the left-hand menu.
3.Click on the toggle under Transparency effects to turn it off.
Method 2: Turn off all the Visual Effects of your system
This is another way to reduce the burden on the desktop window manager.
1.Right-click on “This PC” and choose Properties.
2.Here you need to click on the Advanced system settings link.
3.Now switch to the Advanced tab and click on the Settings button under Performance.
4.Choose the option “Adjust for best performance”.
5.Click Apply followed by OK to save changes.
Method 3: Disable Screensaver
Your screensaver is also controlled and managed by the Desktop Windows Manager. It has been noted that in the latest updates of the Windows 10, many users reported that screensaver settings are consuming high CPU usage. Thus, in this method, we will try to disable the screensaver to check whether CPU usage is reduced or not.
1.Type lock screen settings in the Windows search bar and hit Enter to open Lock screen settings.
2.Now from the Lock screen setting window, click on Screen saver settings link at the bottom.
3.It could be possible that the default screensaver is activated on your system. Many users reported that there was a screensaver with a black background image that was already activated but they never realized that it was a screensaver.
4.Therefore, you need to disable the screensaver to fix the Desktop Window Manager High CPU usage (DWM.exe). From the screen saver drop-down select (None).
5.Click Apply followed by OK to save changes.
Method 4: Make sure all Drivers are updated
One of the biggest factors of slowing down your PC is drivers are not up to date or they are simply corrupted. If your system’s drivers are updated, then it will reduce the burden on your system and free some of your system’s resources. However, majorly updating Display drivers will help in reducing the burden on Desktop Window Manager. But it is always a good idea to update Device Drivers on Windows 10.
Method 5: Run the Performance Troubleshooter
1.Type powershell in the Windows Search then right-click on Windows PowerShell and select Run as administrator.
2.Type the following command into PowerShell and hit Enter:
msdt.exe -id MaintenanceDiagnostic
3.This will open System Maintenance Troubleshooter, click Next.
4.If some problem is found, then make sure to click Repair and follow on-screen instructions to finish the process.
5.Again type the following command in PowerShell window and hit Enter:
msdt.exe /id PerformanceDiagnostic
6.This will open Performance Troubleshooter, simply click Next and follow the on-screen instructions to finish.
Is dwm.exe a virus?
No, it is not a virus but an integral part of your operating system which manages all your display settings. It is by default located in the Sysetm32 folder in the Windows installation driver, if it is not there, then you should start worrying.
Recommended:
Hopefully, you have got the idea of what Desktop Window Manager is and how it performs. Moreover, it consumes very fewer resources on your system. One thing that you need to keep in mind is that it is an integral part of your system so you should not make any unnecessary changes to it. All you can do is check how much usage it is consuming and if you find it is consuming a lot, then you can take the measures mentioned above. If you want to know more, please share your comments.
