If you’re experiencing slowness on account of this daemon utilizing too much CPU time and memory, see the article from Bitdefender below for tips that can help get things running smoothly again. If you are new to Mac OS or don’t want to spend the time to learn and try different apps to maintain your Mac, CleanMyMac is a great choice.īdldaemon is a component of Bitdefender Antivirus for Mac. Is Clean My Mac worth buying? Is CleanMyMac 3 worth it? In my opinion, the app is perhaps the best Mac cleaning app, and it does more than just cleaning. Most graphical elements are refreshed regularly, which is why WindowServer needs those CPU cycles.

The more windows you have open at any one time, the more CPU cycles WindowServer needs. Simply, it’s the macOS process that draws elements on the screen, whether they are application windows, icons, or websites. Make sure you have lots of free disk space.Īccordingly, Why is WindowServer taking up so much CPU on my Mac? Thereof, How do I free up memory on my Mac?

I noticed that when using multiple screens its CPU usage skyrockets, you can bring it back down by disabling separate spaces per desktop. I can at least answer what WindowServer does, it keeps track of all the windows (position, size, layer), desktop, spaces and animations.

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