Different blocks of color indicate different file types, such as movies, photos, or apps. Under the Storage section, you can see how much space is available on the current disk.

To do so, click on the Apple icon, then About This Mac. To move more space on your iMac hard drive, your first step is to get an overview of the storage. Some macOS features or utilities might even malfunction under low storage.Īlso, lack of free space is often a cause of more frequent hangs, freezes, and app crashes. See this video for more:Īll Macs will run slowly once the startup disk is almost full. Apple has a support article on how to properly use this utility. To see what apps and services are consuming lots of system resources (CPU, memory, battery, etc.), use the Activity Monitor app (or iStat Menus) to find them out. And you’ll have to force quit apps or have a hard reboot. If you have too many such processes running at once, your iMac speed can be significantly affected, worse yet, the whole Mac freezes up to death. Close Apps Running in The Backgroundįor some applications, even if you have clicked the red “x” sign located on the upper left corner, they may be still running in the background.

By the way, you can manage Login Items there too. Under “Extensions”, find the “Launch Agents” feature and here you’re able to disable or enable any helper applications or services. Simply download CleanMyMac on your iMac, install and open the app. But, you can use an app like CleanMyMac to easily locate and remove them. Unfortunately, it’s not easy to disable them via the above technique because they are often not shown in the Login Items list. On the other hand, those sneaky “launch agents” may have been added to your startup as well. Here, you can select any items you don’t want and click the minus sign “-” to disable them. Simply click on the Apple logo on the top left of the main screen, click System Preferences > User & Groups > Login Items.

When the list of login items add up, it’s not surprising that your iMac will slow down.įortunately, disabling unnecessary login items is an easy task. In other words, there might be too many third-party apps or services opening up once you press the start button on the back of your iMac. If your iMac takes more than 30 seconds to fully boot up and reach the desktop screen, chances are you’re having too many login items, or launch agents (app services that auto-run in the background). Remove Unwanted Applications and Extensions

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