The operating system uses DWM.exe to generate all the nifty visual effects, including the ability to control themes, transparency effects, animations, menus, taskbar thumbnails, and more.Īs you can tell from its function, the Desktop Window Manager uses your system’s graphics card (GPU) to render these UI elements. Desktop Window Manager (DWM) is an important system process responsible for rendering the user interface on your Windows 10/ 11 computer. What Causes Desktop Window Manager (DWM.exe) High GPU Usage Issue?īefore everything, it’s important to know what is Desktop Window Manager (DWM) in Windows PCs. The high GPU usage for DWM.exe can be due to a variety of reasons, which we have listed below. And you are probably confused about what’s causing the issue and how to fix high GPU usage on your Windows 11/10 PC.
In the Task Manager, you have noticed the Desktop Window Manager or some other task utilizing too much of your GPU’s resources.