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kwin_x11 high cpu usage

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kwin_x11 high cpu usage

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High CPU usage by `kwin_x11` can be quite frustrating. Here are a few steps you might consider to troubleshoot and resolve the issue: 1. **Restart KWin**: Sometimes, simply restarting the window manager can help. ```sh kwin_x11 --replace & ``` 2. **Disable Desktop Effects**: Some desktop effects can be resource-intensive. You can disable them temporarily to see if it helps. - Go to System Settings > Workspace Behavior > Desktop Effects. - Uncheck the effects you don't need or disable them all. 3. **Update Your System**: Ensure that your system and all packages are up to date, as updates often include performance improvements and bug fixes. ```sh sudo apt update && sudo apt upgrade ``` 4. **Check for Background Processes**: Other processes might be causing high CPU usage, indirectly affecting `kwin_x11`. ```sh top ``` Look for any processes that are consuming a lot of CPU and investigate them. 5. **Graphics Driver**: Ensure you are using the latest and most appropriate graphics driver for your hardware. Sometimes, proprietary drivers offer better performance than open-source ones. - For NVIDIA: ```sh sudo apt install nvidia-driver-460 ``` - For AMD: ```sh sudo apt install xserver-xorg-video-amdgpu ``` 6. **Configuration Files**: Sometimes configuration files can get corrupted. You can reset KWin settings by renaming the configuration file and restarting KWin. ```sh mv ~/.config/kwinrc ~/.config/kwinrc.backup kwin_x11 --replace & ``` 7. **Log Files**: Check the log files for any errors or warnings related to KWin. ```sh cat ~/.xsession-errors ``` If none of these steps help, you might want to search for or ask about your specific issue on forums or communities related to KDE, such as the KDE subreddit or the KDE Bugzilla.
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