I could see this because of translucent taskbar. Something extra to note: When the monitor did pause DWM.exe usage sometimes went up to 34% and causes the video on the monitor (1 and 2) to "chop". (Rainmeter and gmod where around 10 tests, because gmod takes a long time to load with mods and rainmeter was only tested while customizing my desktop.)Īnd DWM.exe usage is out of the roof on the second monitor while testing I tried each program around 20 times, so it was extensive work haha. It happended equaly for each I am going to list: Chrome, Chrome with youtube video fullscreen, firefox, firefox fullscreen, cs-go, team fortress 2, gmod, overwatch, skype, steam (steam had the most chance of not pausing), rainmeter. Chrome fullscreen (if you are using Chrome)? Its pretty random (but allot actually) for when it pauses, I'd say 33% of it not pausing. Desktop Window Manager High CPU Check for virus infection Check for Windows Update Update Graphics Driver Switch to the Basic Theme Disable screensaver. Repeat the process until you've closed all the unnecessary apps that were occupying your computer's memory. Which games did you try it with? Does it even not pause with i.e. Select the process that's occupying the most of CPU's memory space and click on End Task. Originally posted by Biohazard:It is supposed to stay paused, yes. I am in bed so I cannot try this right now (pause all monitors) but I did try 2 different videos with no change if that can help. I suppose because it still has to render an image?(Eventhough its the same one?). So, i installed agent on Windows 10 and get Handles to grow again. I just had the calculator open and the Desktop Window Manager hit 25 CPU. allam447635 said: I have determined the problem to be something related to the Calculator being open, because the Desktop Window Manager uses more CPU power with the calculator open than when it is closed. I can see the video is paused (because of translucant taskbar) but it doesnt change the usage of dwm. Posts : 27,276 Windows 10 (Pro and Insider Pro) 3. Desktop Window Manager dwm exe High CPU - 5 Best Tips to Fix - Howali The dwm.exe or Desktop Window Manager is a process in Windows 10, 8 and 7 operating. Desktop Window Manager is an internal system process that is required for correct rendering of the effects that appear while using the OS interface. I tried running games on my sec monitor but I have no clue on what gpu it is running. Well I have a desktop pc and see no option to do that is Nvidia control panel. I think you will get the biggest issues with DWM when you display the wallpaper on monitor A although it is being rendered by the GPU connected to monitor B, if that makes sense? You can set the pause option to 'pause all monitors' to mitigate it probably. You can control this on laptops in the Nvidia Control Panel, but iirc on desktops with both dGPU and iGPU running you cannot. Originally posted by Biohazard:Which GPU is the program currently assigned to? I'm not sure if you can even decide that or if Windows enforces it.
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