When that column is sorted alphabetically it will look like this: (You may have to click it twice to sort it in order from A to Z, rather than Z to A.) The nice part of this step is that the processes will quit jumping around. This sorts all of the processes alphabetically. To stop things from moving around, click the header of the Process Name column. This is because by default, the view is sorted by the %CPU column. As the Activity Monitor runs you’ll probably see the processes jump around in the view. This starts the Activity Monitor application, which looks like this:Īfter starting the Activity Monitor, make sure the CPU tab is selected, as shown in the previous image. Inside the Utilities folder, click the Activity Monitor icon: First, click the Applications icon in your Dock, and then scroll down and click the Utilities folder: To see this, start the Activity Monitor by following these steps.
MAC GOOGLE PHOTOS SCREENSAVER MAC
Using the Mac Activity Monitor to see which process is “preventing sleep”Īt first I thought we’d have to go to the Mac command line to solve this problem, but then I read that you can see which processes are “preventing sleep” by using the Mac Activity Monitor application. This can happen because a programmer forget to set it back, or because the application crashed, or in the case of the example that follows, because the application was still running in the background. When this becomes a problem is when that setting doesn’t get set back to the way it was before. AirPlay and other applications do the same thing. This is what the Netflix programmers do, they tell MacOS to keep the screensaver from starting while a video is playing. One way to think of it is like this: Imagine that you’re watching Netflix on your Mac you don’t want the screensaver to kick in right in the middle of a good movie, right? As programmers, what we do is toggle a little MacOS setting that lets us keep the screensaver from starting. BackgroundĪs a small piece of background to this general problem, what’s probably happening is that there is a process (application) running on your Mac that’s preventing your screensaver from starting.
Note: If you don’t care what’s causing the problem and you just want it to go away, you can try rebooting your Mac at this time. The rest of this tutorial explains the process of troubleshooting the problem, which can go way beyond AirPlay. When we did that the AirPlay process is automatically restarted, but when it starts running again it doesn’t interfere with the screensaver.
The solution to her particular problem was to kill the AirPlay process running on her Mac. From what I can tell, after she did that AirPlay doesn’t automatically shut itself off, and it was preventing the screensaver from starting. The short story of the problem (and solution) is that she had used Apple’s AirPlay to mirror her computer screen to her AppleTV. The same problem happened to a friend, and after a lot of research, we were able to work through it to get her Mac screensaver working again. If you have a problem where your Mac/ macOS screensaver won’t start, I hope to be able to help you in this article.
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