![]() ![]() With this information, it might be possible to identify a Mac app that is having a problem and shut it down to free up resources and correct any slowdown that might be happening. With the built-in Apple utility app, Activity Monitor, it's possible to find out how much system memory is held and what percentage of processor power is spent for each app. If that didn't help, restarting the computer might be necessary to free up memory. After the app has closed, the Mac might take a moment to recover resources and regain its normal level of performance. If it has become unresponsive, it can be forced to quit with a command-option-escape key combination. If quitting the process could cause data loss or interfere with another app, the process doesn’t quit. Choose one of the following options: Quit: This is the same as choosing File > Quit within an app.The process quits when it’s safe to do so. If a problem is found, it's best to switch to the app using too many resources and attempt to save any open files before quitting the app. Click the Stop button in the upper-left corner of the Activity Monitor window (or use the Touch Bar). In the Activity Monitor app on your Mac, do any of the following: To view processor activity over time, click CPU (or use the Touch Bar ). To enable viewing in the Dock, choose View > Dock Icon, then select the Show CPU option you want to view. Clicking the column labeled ' % CPU' will sort by the apps or processes that are using the processor the most. View CPU activity on your Mac in the Activity Monitor window. It's a good idea to check processor usage as well by clicking the CPU tab. Finding a large chunk of memory in use by an app doesn't always indicate that there is a problem. Other apps, such as those that process images and video, legitimately require a large amount of memory space to handle the user's requests. If unused for some time, that cache memory might be cleared, freeing up resources. Some apps that rely upon the internet, such as the Safari browser, preload websites, photos, and other data in anticipation of the user's activity, requiring a large portion of memory. Take advantage of an exclusive offer in our sampler today.If a Mac app is using too much memory, it might make the overall system sluggish as macOS will need to swap data from memory to storage and back again more frequently. Enjoyed this article? Get more tutorials, guides, and tips on how to get the most from your Apple devices inside MacFormat.Generating diagnosticsĬhoose View > run System Diagnostic to generate a diagnostics report containing files that allow Apple to investigate issues with your Mac.Īccept the privacy agreement, then enter your account's password to allow Apple access the information for the diagnostics test. ![]() You can check whether large backups or downloads are taking place in the Network tab. If you have Dropbox or Spotify installed, it's worth checking whether they are using too much network bandwidth, for example. Use the Search bar to check on a specific program or process. To force quit an item, click it in Activity Monitor's list, then on the X at the left of the toolbar, then confirm you want to force quit it. This is usually accompanied by unresponsive behaviour from the app in question (although some processes run behind the scenes). to get all running processes with their PIDs and Names. When a process is shown in red, this is Activity Monitor's way of saying it's unresponsive. If Safari shows a web-based game or video clip using a significant portion of the CPU even after you've stopped using it, it's likely to have stalled. It's perfectly normal for these to occur as you open an app, download a video or render a complex, layered image. ![]()
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