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What is WindowServer and why it consumes many CPU and RAM resources on macOS

Process name "WindowServer"Would make us think of"Windows Server", But it has nothing to do with Windows by Microsoft.

What is and what does the WindowsServer process do on macOS (Activity Monitor)

Many complain about the fact that the trial WindowServer sometimes consumes a lot of resources from the processor (CPU) and RAM, which automatically leads to MacOS aggravation on Mac, iMac, or MacBook.
The resource consumption ratio of the WindowServer process is available in real time for any user when accessing Activity Monitor.

Apparently, the process WindowServer it starts to consume sometimes a lot of RAM and CPU resources, which automatically leads to lowering system performance. Applications begin to jam, finder windows open hard, screensaver starts jerking, and access to system settings is delayed.

The WindowServer process belongs to the macOS operating system (system process) and deals with all the visual side on desktop, Dock Bar si Menu Bar. This process makes management between the visual side (what the user sees) and the hardware side. All folders si files who are on desktop, the effects of transparency but by Dock si Menu Bar are WindowServer administration.
This process is launched immediately after the operating system starts, and without it you can't access anything from your Mac. That's why it's not good to turn it off from Activity Monitor, even if you're allowed to do so. You will find that once the WindowServer process is closed, you will go directly to the "login screen".

How can we make WindowServer no longer consuming much memory and CPU

The WindowServer process typically has short periods of time requiring a large amount of resources, after which everything returns to normal. However, if you do not want these periods to be longer, consider the following:

1. Try to reduce the number of folders and files on your Desktop as far as possible.
For example, if you have 50 files on your desktop and 5 folders, try to put them all together in one folder. Thus, through the WindowServer process, only one visual element will pass instead of 55.

2. Close the Finder windows you do not use or use a single open window with multiple tabs.

3. Disable the macOS transparency effects.
Disabling these visual effects will increase the performance of any Mac. Do this from: “System Preferences”→“Accessibility”→“Display”→“Reduces transparency".

The transparency effect of the Dock, Menu Bar, Finder si Launchpad.

4. Disable automatic rearrangement in Mission Control.
Go to “System Preferences"The"Mission Control"And uncheck the option"Automatically rearrange Spaces based on most recent use".

5. Close apps you do not use.
It has been established that WindowServer's consumption volume is also influenced by the graphical effects in applications.

After you make all these changes or part of them, restart the operating system.
Surely the WindowServer service will no longer consume RAM and CPUs as much as before.

What is WindowServer and why it consumes many CPU and RAM resources on macOS

About the author

stealth

I am pleased to share my experiences with computers, mobile telephony and operating systems, develop web projects and provide the most useful tutorials and tips.
I like to play on iPhone, MacBook Pro, iPad, AirPort Extreme and on MacOS, iOS, Android and Windows operating systems.

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  • This has not worked, I've tried everything. Currently preparing for a factory reset of the Operating System to see if performance can be restored.