![]() If one of these processes has gone nuts, the best solution is to restart your Mac. You can’t (or at least shouldn’t) quit those processes manually, but at least you’ll know that things are slow due to a Time Machine backup running, Spotlight indexing new files, or Photos analyzing the images in your library. In the most extreme case, the process name will be in red, which means it’s not responding, at which point you can force quit it by selecting it and then clicking the X button at the left of Activity Monitor’s toolbar.Įqually likely, though, is that the top process will be one you don’t recognize immediately, like backupd (Time Machine), mds or mdworker (Spotlight), photolibraryd or photoanalysisd (Photos), or kernel_task or WindowServer (core macOS functionality). If it matches an app you’ve launched, quit that app to give other apps a chance at the CPU. If one process is sucking CPU power, you’ll see it at the top of the list. Be aware that the percentages in this column are by core (unlike the graph and numbers at the bottom), so a runaway app on a 4-core iMac could claim to be using as much as 400% in the % CPU column. ![]() ![]() If necessary, click again to change the direction of the sort so the arrow next to % CPU is pointing down, so those processes using the most CPU power are at the top. To identify them, click the % CPU column header to sort the process list by CPU power. But if you’re near or at 100%, you’ll want to hunt for rogue processes. As long as the sum of those numbers stays under 100% most of the time, you’re probably fine. For now, we’ll focus on the CPU view that’s the default, but if you were trying to figure out why your MacBook Pro’s battery was draining so quickly, you’d look in the Energy view.Īt the bottom of the CPU view is a graph of CPU load, and numbers that correspond to how much of that load comes from the system and how much from the user (apps you’ve launched). Those views show the impact each process has on those aspects of the Mac. Notice the buttons at the top of Activity Monitor that provide access to different views: CPU, Memory, Energy, Disk, and Network. However, some apps use multiple processes, and macOS itself relies on a ton of processes too. In many cases, a process is the same as what you think of as an app, so you’ll see processes for apps like Mail and Safari. Open that to find and double-click Activity Monitor.Īctivity Monitor can seem daunting because it lists every “process” running on your Mac. Open your Applications folder and scroll down until you see the Utilities folder. The key is a utility app called Activity Monitor that Apple bundles with every Mac. ![]() ![]() Here’s how to figure out if that’s the problem. But you might just have a rogue app that’s hogging your Mac’s CPU. You agree not to send or bring the Content out of the country/region where you originally obtained it to other countries/regions without any required authorization of the applicable governments and/or in violation of any laws, restrictions and regulations.īy proceeding to downloading the Content, you agree to be bound by the above as well as all laws and regulations applicable to your download and use of the Content.Does it seem like your Mac is running slowly? It’s always possible that you need more RAM, a speedy SSD to replace a slow hard drive, or even a new Mac. You shall also not (and shall not let others) reproduce, modify, reformat, disassemble, decompile or otherwise reverse engineer or create derivative works from the Content, in whole or in part. You shall not distribute, assign, license, sell, rent, broadcast, transmit, publish or transfer the Content to any other party. Canon shall not be held liable for any damages whatsoever in connection with the Content, (including, without limitation, indirect, consequential, exemplary or incidental damages). You may download and use the Content solely for your personal, non-commercial use and at your own risks. Ltd., and its affiliate companies (“Canon”) make no guarantee of any kind with regard to the Content, expressly disclaims all warranties, expressed or implied (including, without limitation, implied warranties of merchantability, fitness for a particular purpose and non-infringement) and shall not be responsible for updating, correcting or supporting the Content.Ĭanon reserves all relevant title, ownership and intellectual property rights in the Content. All software, programs (including but not limited to drivers), files, documents, manuals, instructions or any other materials (collectively, “Content”) are made available on this site on an "as is" basis.Ĭanon Singapore Pte. ![]()
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