How to Solve Desktop Window Manager High CPU Usage "dwm.exe" in Windows PC

Desktop Window Manager or dwm.exe in Windows 10 is a system process responsible for managing visual effects on the desktop.
Modern desktops and laptops can handle it without any problems.
If your PC is slightly outdated, this can affect system performance.
Malware is not a typical cause of high CPU load, but it cannot be ruled out.

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Table of Contents

Desktop Window Manager High Memory Usage

A number of factors can contribute to high Memory usage caused by Desktop Window Manager, including Windows performance issues, outdated graphics card drivers, and too many programs running simultaneously.

Desktop Windows Manager High Gpu

In the Desktop Windows Manager, aka DWM.exe, the graphics card is used to generate your PC’s user interface. A visual effect like animation, transparent windows, live thumbnails, wallpapers, and themes is stimulated by it, so it’s not only an old one but has become an integral part of Windows PCs since it was introduced in Vista or XP.

Dwm.exe Windows 10

You’ll see a lot of visual effects when using Windows via the dwm.exe process (Desktop Window Manager), which is responsible for creating transparent windows and taskbar thumbnails.

Windows 10 is also affected by high CPU by DWM.exe, just as the memory and CPU consumption of Ntoskrnl.exe can slow it down.

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.

In Windows 10, dwm.exe is a process that manages the desktop’s visual effects, among other things. Modern desktops and laptops are capable of handling the application without any problems, although it does require some resources to run. Let’s learn more about this Windows process.

What causes Desktop Window Manager (dwm.exe) to use a high CPU load?

What Is Windows Desktop Manager

It renders all the pretty Windows effects: transparency, live taskbar thumbnails, Flip3D, even high resolution monitor support, using the Desktop Window Manager (dwm.exe).

Dwm Exe Windows 10

Desktop Windows Manager is the Windows process dwm.exe. The Windows user interface is controlled by this process, which controls themes, window effects, taskbar icons, and pretty much anything else visually appealing. You shouldn’t be concerned about this process. Many people will recommend disabling it to improve performance. Is this true?

It doesn’t matter whether you use the standard Windows theme or a new theme, Windows uses your PC’s full power to create visuals. You may need to change your hardware or system configuration if your dwm.exe process takes a long time to complete in Windows Task Manager.

With Windows 10, you can no longer turn off the Desktop Window Manager (dwm.exe) process, as you could with older versions of Windows.

A CPU is used to create visual effects rather than relying on your graphics card. If you have an outdated PC, this can affect performance. As your CPU is utilized further, temperature can increase, resulting in instability of your system.

It is reported that some malicious programs try to copy the DWM process and therefore are hidden as a cause of high CPU usage by the dwm.exe processors. Malware is not usually a cause of high CPU usage by the dwm.exe processors, but it cannot be ruled out entirely.

You may experience high CPU load with dwm.exe if your graphics card isn’t external, and if you are using an outdated driver or complete Windows system update.

How to eliminate the high CPU load of the desktop window manager (dwm.exe)?

Updated: April 2024

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Driver update for graphics devices

The Device Manager option can be accessed by right-clicking the Windows button.
Select “Update Driver” from the right-click menu of the adapter.
If you choose to update the driver manually or automatically, a new window will appear.
On the “Find my computer’s driver software” screen, click “Search”.
Locate the drivers you downloaded in the folder where they were saved.
The drivers will be installed by Windows when you select them.
You can check for a resolution by restarting your computer.

Changing the default application mode

The search bar can be opened by pressing Windows + S.
Launch the application and click on “Settings.”.
The settings menu has a subcategory called “Personalization”.
The left navigation menu will show a drop-down menu “Colors.”.
The default application mode can be selected by scrolling down.
Click “Clear”.
Observe the CPU usage after restarting your computer.

Switching the wallpaper or theme

The Settings app can be launched by pressing Windows + I.
Select “Customize” from the Settings menu.
Check if there is a difference by changing the current theme and background image in the settings.

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Frequently Asked Questions

How to fix DWM exe in Windows 10?

Update your controller firmware.
Check your computer for malware.
Restart explorer.exe.
Disable problematic services.
Remove mdi264.
Disable the Pepper Flash extension in Chrome.
Install old video card drivers.
Adjust the performance settings.

Why is my desktop window manager using so much RAM?

Desktop window manager's high memory consumption problem may be caused by a recent Intel driver bug. To save memory, you should restart your Windows process. Another good solution is to update your drivers with reliable third-party software.

How can I reduce CPU usage in Windows desktop manager?

Turn off the screen saver.
Run a performance diagnostic.
Adjust your system for optimal performance.
Switch to the main theme.
Update the display drivers.
Update any installed programs.
Scan your computer with antivirus software.
Troubleshoot in a clean startup state.

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Mark Ginter

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.