WindowServer process is delegated with the task of rendering displays for apps. You can also log in to safe mode and check Mac performance. If the usage is on the higher side, kill the app, and you should be good to go.Īdditionally, update or reinstall an app and see if the usage returns to normal. Use an app for 5-10 minutes and check corresponding CPU usage. Single out such apps using Activity Monitor. Quit the app(s)Ī bug in an app could spike your CPU usage. Follow the below fixes to lower the WindowServer high CPU usage. Moreover, if you’re using an older Mac, heavy usage of modern visual effects could also lead to this. This could be caused by your increased resource-intensive activities like gaming or video editing on Mac, a bug in one or more apps you’re using. If the process is hogging 30%-60% of resources, your Mac will slow down and lag. If the process consumes excessive resources, read on. The WindowServer should not be consuming more than 30% of CPU resources. Locate the WindowServer process in the list.Go to Applications → Utilities → open Activity Monitor.How to find WindowServer CPU usageįollow the steps below to decide whether the WindowServer process slows your Mac.
Worry not we will help you understand the causes and fix them!īut first, how much resource is the WindowServer using on your Mac? Let’s find out. In such cases, your Mac tends to become sluggish. But sometimes, the WindowServer ends up taking excessive CPU power. It is not malware or a resource-hogging app. So, should I worry about WindowServer process on Mac?Īs explained in the previous section, the process helps your Mac run smoothly. The more windows that are open, the more will be WindowServer CPU usage. However, sometimes it hogs computing resources and ends up being a drain. It runs silently in the background supporting your every activity on the Mac without your notice. In simple words, if you see a window, play a game, see some graphics, or open any software on your Mac, WindowServer put it there. The process renders all the open apps on display. It is designed to create a communication channel between apps and displays. WindowServer is an essential system process on Mac. Wondering what is the deal with WindowServer on a Mac? And why is it eating resources?ĭon’t worry I have you covered in this straightforward guide that explains everything there is to know about WIndowServer and if it’s safe.
However, if you check the Activity monitor on a rare day to fix the slow-down issues, you might be surprised to see the WindowServer process perched on top. Most times, we hardly pay any attention to background processes running on the Mac.
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