桌面窗口管理器 CPU 使用率高？ (Desktop Window Manager High CPU Usage? )桌面窗口管理器(Desktop Window Manager)主要负责管理桌面的视觉效果。对于最新的 Windows 10，它管理高分辨率支持、3D 动画和一切。这个进程一直在后台运行，并消耗一定量的CPU使用率。尽管如此，还是有一些用户在使用此服务时遇到了高CPU使用率。但是，系统配置的几个条件会导致这种高CPU使用率。在本文中，我们将向您介绍一些解决桌面窗口管理器高 CPU(Desktop Window Manager High CPU)使用率问题的方法。
这个 DWM.EXE 有什么作用？(What this DWM.EXE does?)
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。
有没有办法禁用 DWM.EXE？(Is there a way to disable DWM.EXE?)
在Windows XP(Windows XP)和Windows Vista等旧操作系统中，有一种简单的方法可以关闭系统的可视化服务。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。
从Windows 7到Windows 10，有各种视觉效果使用此DWM服务以获得更好的用户界面和漂亮的效果；因此无法禁用此服务。这是您的操作系统的一个组成部分，也是呈现GUI（图形用户界面）(GUI (Graphical User Interface))的关键部分。
修复桌面窗口管理器高 CPU(Fix Desktop Window Manager High CPU) ( DWM.exe )
确保 创建一个还原点(create a restore point) 以防万一出现问题。
Method 1 – Change Theme/Wallpaper
桌面窗口管理器(Desktop Window Manager)管理您的视觉效果，其中还包括壁纸及其主题。因此，您当前的主题设置可能会导致CPU使用率过高。因此，解决此问题的第一种方法是从更改主题和壁纸开始。
第 1 步 –Press Windows Key + I 打开设置(Settings)，然后单击 个性化。(Personalization.)
第 2 步 – 从左侧菜单中单击背景。 (Background. )
第 3 步 – 在这里您需要更改当前的主题和壁纸，然后检查您是否能够 修复桌面窗口管理器高 CPU (DWM.exe) 使用问题。(Fix Desktop Window Manager High CPU (DWM.exe) usage issue or not.)
方法 2 – 禁用屏幕保护程序(Method 2 – Disable Screensaver)
您的屏幕保护程序也由桌面 Windows(Desktop Windows)管理器控制和管理。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。
步骤 1 –在Windows搜索栏中键入锁屏设置并打开锁屏设置。(Type)
第 2 步 – 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)
第 3 步 – 您的系统上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。
第 4 步 – 因此(Therefore)，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).)
第 5 步 – 单击应用(– Click Apply)，然后单击确定以保存更改。
方法 3 – 恶意软件扫描(Method 3 – Malware Scanning)
如果您遇到此问题，可能是由于您设备上的恶意软件问题。如果您的 PC 感染了某些恶意软件或病毒，则该恶意软件可能会在后台运行一些脚本，从而导致系统程序出现问题。因此，建议运行全系统病毒扫描(run a full system virus scan)。
步骤 1 –在 Windows 搜索栏中键入Windows Defender并打开它。(Windows Defender)
第 2 步 – 打开后，您会在右侧窗格中看到“扫描”选项(Scan option)。在这里，您将获得一些选项 - 完整扫描、自定义扫描和快速扫描。您需要选择完整扫描选项。完全扫描您的系统需要一些时间。
第 3 步 – 扫描完成后，重新启动系统以检查桌面窗口管理器高 CPU (DWM.exe) 使用是否已解决。(Desktop Window Manager High CPU (DWM.exe) usage is solved or not. )
方法 4 – 删除特定应用程序(Method 4 – Delete Specific Applications )
如果上述解决方案都不起作用，您可以尝试此方法。确保您检查哪个应用程序导致您的设备出现问题非常重要。一些应用程序是OneDrive、SitePoint和Dropbox。您可以尝试删除或暂时禁用 Onedrive(disabling Onedrive)、SitePoint或其中一些应用程序来修复桌面窗口管理器高 CPU(Desktop Window Manager High CPU) ( DWM.exe ) 使用率。
方法 5 – 禁用 MS Office 产品的硬件加速(Method 5 – Disabling Hardware Acceleration for MS Office products)
一些用户报告说他们通过简单地禁用MS Office产品的硬件加速(Hardware Acceleration)来解决这个问题。Windows使用(Windows)硬件(Hardware)加速功能更有效地执行各种功能。
第 1 步 – 打开任何MS Office 产品(MS Office product)（PowerPoint、MS Office等），然后单击左下角的文件选项(File option)。
第 2 步 – 在文件(File)菜单下，您需要向下滚动以选择选项。( Options.)
第 3 步 – 打开新的窗口窗格(Window Pane)后，您需要单击“高级(Advanced)”选项。一旦你点击它，在右侧你会得到多个选项，在这里你需要找到显示(Display)选项。在这里，您需要选中(checkmark)“禁用硬件图形加速(Disable hardware graphics acceleration)”选项。现在保存所有设置。
第 4 步– 接下来(– Next)，重新启动/重新启动系统以应用更改。
方法 6 – 更改默认应用模式(Method 6 – Change Default App Mode )
最新的Windows更新带有一些高级功能。您将获得在两个可用选项中更改默认应用模式的选项：深色(Dark)和浅色(Light)。这也是Windows 10中(Windows 10)CPU(High CPU)使用率高的原因之一。
第 1 步 –Press Windows Key + I 打开设置(Settings)，然后单击 个性化。( Personalization.)
第 2 步 – 从左侧窗口中单击个性化下的颜色。(Colors)
第 3 步 –向下滚动(Scroll)到屏幕底部，直到找到选择默认应用模式(Choose your default app mode)标题。
第 4 步 – 在这里您需要选择Light 选项。(Light option.)
第 5 步 –重新启动(Restart)计算机以应用设置。
方法 7 – 运行性能疑难解答(Method 7 – 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。
方法 8 – 更新显卡驱动程序(Method 8 – Update Graphics Card Driver)
使用设备管理器手动更新显卡驱动程序(Manually Update Graphics Drivers using Device Manager)
1.按 Windows 键 + R 然后键入devmgmt.msc 并按回车键打开设备管理器。(Device Manager.)
2.下一步，展开显示适配器( Display adapters)并右键单击您的显卡并(Card)选择启用。(Enable.)
3.再次完成此操作后，右键单击显卡并选择“更新驱动程序(Update Driver)”。
4.选择“自动搜索更新的驱动软件(Search automatically for updated driver software)”并让它完成该过程。
5.如果上述步骤对解决问题有帮助，那么很好，如果没有，请继续。
6.再次右键单击您的显卡并选择“更新驱动程序(Update Driver)”，但这一次在下一个屏幕上选择“浏览我的计算机以查找驱动程序软件。(Browse my computer for driver software.)“
7.现在选择“让我从计算机上的可用驱动程序列表中(Let me pick from a list of available drivers on my computer)选择” 。
8.最后，从列表中选择最新的驱动程序(select the latest driver)，然后单击下一步。( Next.)
9.让上述过程完成并重新启动PC以保存更改。
按照与集成显卡（在本例中为Intel）相同的步骤更新其驱动程序。查看您是否能够修复桌面窗口管理器高 CPU (DWM.exe) 问题(Fix Desktop Window Manager High CPU (DWM.exe) Issue)，如果不能，则继续下一步。
从制造商网站自动更新显卡驱动程序(Automatically Update Graphics Drivers from Manufacturer Website)
1.按Windows Key + R并在对话框中键入“ dxdiag ”并回车。
2.然后搜索显示选项卡（将有两个显示选项卡，一个用于集成显卡，另一个是Nvidia的）单击显示选项卡并找到您的显卡。
3.现在进入Nvidia驱动下载网站(download website)，输入我们刚刚找到的产品详细信息。
4.输入信息后搜索您的驱动程序，点击同意(Agree)并下载驱动程序。
5.下载成功后，安装驱动，就成功手动更新了Nvidia驱动。(Nvidia)
受到推崇的：(Recommended:)
我希望这篇文章对您有所帮助，您现在可以轻松地修复桌面窗口管理器高 CPU (DWM.exe) 使用率( Fix Desktop Window Manager High CPU (DWM.exe) usage)， 但如果您对本教程仍有任何疑问，请随时在评论部分提出。
Fix Desktop Window Manager High CPU (DWM.exe)
Desktop Window Manager High CPU Usage? The Desktop Window Manager is basically responsible for managing the visual effects of the desktop. When it comes to the latest Windows 10, it manages high-resolution support, 3D animation, and everything. This process keeps on running in the background and consumes a certain amount of CPU usage. Nevertheless, there are some users who experienced high CPU usage from this service. However, there are several conditions of the system configuration that cause this high CPU usage. In this article, we will walk you through some methods to fix the Desktop Window Manager High CPU usage issue.
What this DWM.EXE does?
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.
Is there a way to disable DWM.EXE?
In the old operating system like Windows XP & Windows Vista, there was an easy way of turning off the visual services of your system. But, modern Windows OS have very intensively integrated visual service within your OS which cannot be run without Desktop Window Manager.
From Windows 7 till Windows 10, there are various visual effects which use this DWM service for better user interface and pretty effects; hence there is no way to disable this service. This is an integral part of your OS and a crucial part in rendering the GUI (Graphical User Interface).
Fix Desktop Window Manager High CPU (DWM.exe)
Make sure to create a restore point just in case something goes wrong.
Method 1 – Change Theme/Wallpaper
Desktop Window Manager manages your visual effects which also includes wallpaper and its theme. Therefore, it could be possible that your current theme settings are causing high CPU usage. Therefore, the first way to fix this problem is to start with changing the theme and wallpaper.
Step 1 – Press Windows Key + I to open Settings then click on Personalization.
Step 2 – From the left-hand menu click on Background.
Step 3 – Here you need to change your current theme & wallpaper and then check whether you’re able to Fix Desktop Window Manager High CPU (DWM.exe) usage issue or not.
Method 2 – 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.
Step 1 – Type lock screen settings in the Windows search bar and open lock screen setting.
Step 2 – Now from the Lock screen setting window, click on Screen saver settings link at the bottom.
Step 3 – It could be possible that the default screensaver is activated on your system. Many users reported that there was screensaver with a black background image which was already activated but they never realized that it was a screensaver.
Step 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).
Step 5 – Click Apply followed by OK to save changes.
Method 3 – Malware Scanning
If you are experiencing this problem, it could be due to the malware issue on your device. If your PC is infected with some malware or virus then the malware could run some scripts in the background causing a problem for your system’s programs. Therefore, it is recommended to run a full system virus scan.
Step 1 – Type Windows Defender in Windows Search bar and open it.
Step 2 – Once it is open, from the right pane you will notice the Scan option. Here you will get some options – full scan, custom scan, and quick scan. You need to choose the full scan option. It will take some time to completely scan your system.
Step 3 – Once the scanning is complete, reboot your system to check whether the Desktop Window Manager High CPU (DWM.exe) usage is solved or not.
Method 4 – Delete Specific Applications
If the above-mentioned solutions did not work, you can try this method. It is important to ensure that you check which application is causing trouble for your device. Some of the applications are OneDrive, SitePoint, and Dropbox. You can try deleting or temporarily disabling Onedrive, SitePoint or some of these applications to fix Desktop Window Manager High CPU (DWM.exe) usage.
Method 5 – Disabling Hardware Acceleration for MS Office products
Some users reported that they solved this problem by simply disabling Hardware Acceleration for MS Office products. Hardware acceleration feature is used by Windows to perform various functions more efficiently.
Step 1 – Open any MS Office product (PowerPoint, MS Office, etc) and click File option from the left corner.
Step 2 – Under the File menu, you need to scroll down to choose Options.
Step 3 – Once the new Window Pane open, you need to click on the Advanced option. Once you click on it, on the right side you will get multiple options, here you need to locate Display option. Here you need to checkmark the option “Disable hardware graphics acceleration”. Now save all the settings.
Step 4 – Next, restart/reboot your system to apply the changes.
Method 6 – Change Default App Mode
The latest Windows update comes with some advanced features. You will get the option to change the default app mode in two available options: Dark and Light. It is also one of the causes of High CPU usage in Windows 10.
Step 1 – Press Windows Key + I to open Settings then click on Personalization.
Step 2 – From the left-hand window click on Colors under Personalization.
Step 3 – Scroll down to the bottom of the screen until you locate Choose your default app mode heading.
Step 4 – Here you need to choose the Light option.
Step 5 – Restart your computer to apply the settings.
Method 7 – 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.
Method 8 – Update Graphics Card Driver
Manually Update Graphics Drivers using Device Manager
1.Press Windows Key + R then type devmgmt.msc and hit enter to open Device Manager.
2.Next, expand Display adapters and right-click on your Graphics Card and select Enable.
3.Once you have done this again right-click on your graphics card and select “Update Driver“.
4.Select “Search automatically for updated driver software” and let it finish the process.
5.If the above steps were helpful in fixing the issue then very good, if not then continue.
6.Again right-click on your graphics card and select “Update Driver” but this time on the next screen select “Browse my computer for driver software.“
7.Now select “Let me pick from a list of available drivers on my computer.”
8.Finally, select the latest driver from the list and click Next.
9.Let the above process finish and restart your PC to save changes.
Follow the same steps for the integrated graphics card (which is Intel in this case) to update its drivers. See if you’re able to Fix Desktop Window Manager High CPU (DWM.exe) Issue, if not then continue with the next step.
Automatically Update Graphics Drivers from Manufacturer Website
1.Press Windows Key + R and in the dialog box type “dxdiag” and hit enter.
2.After that search for the display tab (there will be two display tabs one for the integrated graphics card and another one will be of Nvidia’s) click on the display tab and find out your graphics card.
3.Now go to the Nvidia driver download website and enter the product details which we just find out.
4.Search your drivers after inputting the information, click Agree and download the drivers.
5.After successful download, install the driver and you have successfully updated your Nvidia drivers manually.
Recommended:
I hope this article was helpful and you can now easily Fix Desktop Window Manager High CPU (DWM.exe) usage, but if you still have any questions regarding this tutorial then feel free to ask them in the comment’s section.
