Desktop Window Manager High CPU usage $ 0027dwm.exe $ 0027.

Desktop Windows Manager is an administrator that is responsible for enabling visual effects on the desktop. In the latest version of Windows (Windows 10), is responsible for managing glass window frames, high resolution support, 3D window transition animations, etc. According to Microsoft officials, this process always runs in the background and consumes a certain amount of processor. function.

However, many users reported that they experienced high CPU usage from the service itself. This may be due to a number of differences, since each computer has a different configuration and it is very difficult to create the exact same conditions every time. We have listed a number of different solutions for you to try. Check.

Solution 1: change wallpaper / theme

Since the desktop window manager is responsible for managing the wallpaper and theme, your current configuration may be causing the service to consume so many resources. We can try changing the current wallpaper or theme and see if this solves something.

1. Press Windows + I to start the Settings app.

2. Once in the settings, click on »Personalization«

1. Now change the current theme and wallpaper using settings and see if they make any difference.

Solution 2: disable screen saver

Desktop Windows Manager also takes care of managing your screen savers. Since the creators were updated, there are many reports that the screensaver causes extremely high CPU usage due to hitherto unknown circumstances. If your screensaver is on, try disabling it and see if this makes any difference to our problem.

1. Press Windows + S to launch the search bar from your start menu. Type »lock display settings» in the dialog box and press Enter.

2. Select the first result that appears and click on it. You will be directed to your computer's lock screen settings.

3. Navigate to the bottom of the screen and click on »Screensaver Settings«.

1. There may be a default screensaver active on your computer. Many users commented that the screensaver was activated with a black background that did not allow to distinguish if it was a screensaver or not. Make sure it is disabled and try to check the problem again.

Solution 3: Scan for malware

Sometimes, this unusual behavior is caused by malware or viruses present on your machine. They may have special scripts running in the background that can extract your data or make configuration changes.

Scan your computer with antivirus utility and make sure your PC is clean. If you don't have a specific antivirus utility installed, you can use the Windows Defender utility and run a scan.

1. Press Windows + S to launch the start menu search bar. Type »Windows Defender» and open the first result that appears.

1. On the right side of the screen, you will see a scan option. Select the full scan and click Scan. This process may take some time, as Windows scans all the files on your computer one by one. Please be patient and let the process complete accordingly. Restart your computer at the end and see if the problem is resolved.

Solution 4: remove specific apps

If all the above solutions have not worked for you, we can try to remove some specific programs. After studying and reviewing many cases, we determined that there were multiple apps that seemed to be causing the problem. Some of them are SetPoint, OneDrive, etc. What's more, try to temporarily stop or disable your current antivirus utility and check your CPU usage. Find the programs that interact with your desktop and make the corresponding diagnosis.

Solution 5: disable hardware acceleration for office products

Another solution that worked well for several users was disabling hardware acceleration for Microsoft Office products installed on their computer.. Hardware acceleration is the use of computer hardware to perform some functions more efficiently compared to your software solution.

1. Open any blank page of any Office product and click on »File» present at the top left of the screen.

1. Click »Options» using the navigation panel on the left side of the screen.

1. Select »Advanced» with the left navigation panel, scroll through the entries until you find the heading »Display» and check the option »Disable hardware graphics acceleration«. Press Apply to save changes and exit.

1. Restart your computer and see if the problem in question has been resolved.

Solution 6: change the default application mode

This is the new feature introduced by Microsoft in the Fall Creators Update of 1709. There are two modes available to you; Light and darkness. By default, the mode is set to Light. If you have switched to dark mode, should go back to clear mode. This is known to be one of the causes of high CPU usage that is being discussed.

1. Press Windows + S to start the search bar. Type »settings» in the dialog box and open the application.

2. Once in Settings, open the subcategory Personalization.

1. Once in Personalization, select »Colors» using the navigation menu on the left side of the screen.

1. Scroll to the bottom of the screen until you find the option »Choose your default application mode«. Select the option »Light«.

1. Restart your computer and watch the CPU usage.

Solution 7: run the performance troubleshooter

Before continuing to update your computer's graphics drivers, we can run the performance troubleshooter. This troubleshooter will automatically detect anomalies related to Windows speed and performance and take corresponding action. Make sure you are logged in as an administrator to carry out this solution.

1. Pulse Windows + S, type »command prompt«, right-click on the application and select »Run as administrator«.

2. Once on the elevated command line, run the following statement:

msdt.exe / id PerformanceDiagnostic

1. Click »Next» when the troubleshooter appears to start the process.

Solution 8: update graphics driver

If all the above solutions do not produce any improvement, we can try to update your graphics drivers. Graphics hardware is responsible for the images on your computer. If the drivers are outdated or corrupt, may be the cause of high CPU usage. Go to your manufacturer's website and download the drivers to an accessible location.

Note: In addition to installing the latest drivers, you should also try reverting to a previous version.

1. Right-click on the Windows key and select Device Manager from the list of available options.

Another way to start Device Manager is by pressing Windows + R to start the application Run and typing “devmgmt.msc”.

1. Right-click on the adapter and select »Update Driver«.

1. Now a new window will appear asking if you update the driver manually or automatically. Select »Browse my computer for driver software«.

1. Now browse the folders where you downloaded the drivers. Select it and Windows will install the necessary drivers. Restart your computer and check if the problem is solved.