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Here’s how to see which program is using all of your CPU on Mac



Mac Actiity Monitor App Icon

If your Mac suddenly feels sluggish and unresponsive, an out of control application could be consuming a large percentage of your CPU̵

7;s processing power. To find out, we’ll use a built-in macOS utility called Activity Monitor. Here’s how.

First, open “Spotlight” by pressing Command + Spacebar or clicking the “Small Magnifying Glass” icon in your menu bar.

Click the magnifying glass icon in the menu bar to start the Spotlight search.

When the “Spotlight Search” bar appears on your screen, type in “Activity Monitor” and click “Return”. Or you can click on the displayed “Activity Monitor.app” icon.

Open Spotlight Search on Mac and enter

In “Activity Monitor” you can see a list of all the processes that are running on your computer. The term “process” is a generic term for any program that runs on your Mac. This includes both applications you run and silent programs that run in the background and keep your computer working properly.

An overview of the CPU tab in Activity Monitor on Mac.

Click the CPU tab to see which process is using the most CPU. Then click on the “% CPU” column heading until the carat next to it is pointing down. This ranks the processes from largest to smallest based on the percentage of the total CPU processing capacity that they are using.

In the Activity Monitor, click the CPU tab, and then click

Look in the% CPU column next to one of the entries in the list for suspicious numbers. Most applications rarely use more than 50% of the CPU unless they are doing something very processor intensive, such as B. a complex game or video, and you will usually understand why. In this case, it is best to wait for the task to complete.

However, if your problem is a runaway process – a program getting stuck in an undesirable CPU-intensive loop – it should be obvious from the high CPU usage listed in the Activity Monitor. If you get in the 90% or higher range, the chances are high that this process will slow your machine down dramatically.

In Activity Monitor for Mac, look for any suspiciously high CPU processes.

If the process that is using a large percentage of the CPU is an app, then you can try killing it using the usual methods such as: B. by selecting the “Exit” option in the File menu or by right-clicking the appropriate icon in the Dock and selecting “Exit.”

However, if the process or app is not responding and you want to force it to close, click the process in the list to select it, then click the Stop button that looks like an octagon with an “X” on it .

In the Activity Monitor on Mac, select the process and click

When you click the Stop button, a small menu will appear asking you to confirm. Click Force Quit.

In Activity Monitor on the Mac, select

After that, the problematic app or process will be closed. If your computer starts responding again, you will know that an unresponsive outlier was the problem.

If you keep having CPU issues with the same app, your best bet is to try updating the app to fix a bug that is causing the problem. You can also try updating macOS, which might fix a bug with a background process or an error affecting the execution of an app. Also, it never hurts to restart your Mac, which can solve a variety of problems. Good luck!

CONNECTED: Here’s how to update your Mac and keep apps up to date




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