In the Activity Monitor window, highlight the applications and processes you don't use, click the Stop button, and select Quit or Force Quit.īy the way, it is also necessary to close windows that are not in use. It is a good idea to quit those programs you are not using. Quit Unused Programs and AppsĪs we mentioned earlier, running too many programs or applications can spike CPU and memory. Here are some ways to reduce the high CPU and memory usage due to the WindowServer process. Running out of CPU and memory can make your Mac run laggy. How to Lower WindowServer's CPU and Memory Usage on Mac Below the list, there is a graph showing how much memory space is used. From the list, you can know which processes are taking up your memory. To check your memory usage, click the Memory tab.At the bottom of the Activity Monitor window, you can see your CPU usage.

In the Activity Monitor window, you can see the CPU load, CPU time, and number of threads of the WindowServer process.Open Activity Monitor via Spotlight or Launchpad.The reasons could be:īefore knowing how to fix this problem, let's see how to check CPU and memory usage on Mac. Sometimes, however, you may find that WindowServer consumes a lot of CPU and memory resources even though only a few applications are running. WindowServer is designed to help your computer run properly. Therefore, the more applications you run, the more CPU and memory resources the WindowServer process uses. Why Does WindowServer Use So Much CPU and Memory on a Mac?Įvery program communicates with WindowServer to display things on your screen. When you launch an application, WindowServer reflects the behavior of that application, and then you can see it on your screen. And every time you launch an app, open a new window, or browser a new page, WindowServer is constantly drawing your screen. What you see on your screen is what the WindowServer draws. Simply put, it connects all interface applications and actions to your screen. WindowServer is one of the core parts of macOS. Mac Memory Usage High? Here's How to Reduce It What Is WindowServer on Mac?

Mac activity monitor window server