You can use the Activity Monitor tool to find such apps and then quit them to bring CPU usage under control. Sometimes an app starts misbehaving and using too much CPU resource, causing high CPU usage on Mac. Use Activity Monitor to Find and Quit Resource Hogging Apps Step 4: Select the app you want to remove and click on the minus (-) button to remove it. Step 3: Select your username and click on the Login Items option. Step 2: Now, click on the ‘Users & Groups’ option. Step 1: Click on the Apple Menu in the top-left of the screen and open System Preferences. Too many Login Items are detrimental to your Mac’s performance as these apps hog much of Mac’s resources and cause high CPU usage. Login Items are those apps on your Mac that launch when you start your Mac. Step 5: Select the app refusing to quit and click on the ‘Force Quit’ button. Click on the Apple Menu in the top-left corner of the screen and open Force Quit. Step 4: If an app refuses to quit, you can use the Force Quit feature in macOS. While holding the Command key, tap the Q key on your keyboard to quit the app. Use the Tab key to cycle between the apps and select the app you want to quit. Step 3: Alternatively, use the CMD+Tab keyboard to go into app switcher mode. Step 2: To quit an app, first right-click on it and then click on the Quit menu.

All the open apps show up with a single dot below their icon. Step 1: To find out which apps are open, take a look at your Dock. So, if you have dozen of open apps on your Mac, it may cause high CPU usage.

Desktop apps are generally are usually resources and power-intensive. While you don’t need to quit apps on your iPhone, leaving several apps open on your Mac can cause high CPU usage. If you are also experiencing the same problem, here are five ways you can use to fix high CPU usage on Mac. Thankfully, you can resolve most of the causes for high CPU usage on Mac to bring back your Mac to optimal working conditions.

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