Does your Mac or MacBook suddenly slow down? Let’s find out how to carry out maintenance and speed up the operating system

Mac Maintenance When you own a Mac you usually worry little about system maintenance as the hardware performance of Apple computers is very high in most usage scenarios.

Unfortunately, even a Mac requires maintenance both to make it last longer and to be able to use it without risking errors, problems or slowdowns. The cause of reduced performance can arise from poorly designed or buggy external programs, from an excess of junk files or from too many programs starting automatically.

In essence, even Macs can become slow and even if this never happened, this article is still worth reading for prevent any possible problems and optimize the system to make it go as fast as the first time.

READ ALSO -> Best essential Mac programs to download for free

1) Restart your Mac regularly

First of all let’s restart the Mac if it hasn’t been done for a long time and generally at least once a week; It may also be useful to turn it off but without closing the lid (which activates a sleep mode that is very different from turning off the Mac).

Often this alone can resolve any errors and slowdowns and will allow the operating system to close unnecessary apps and install updates correctly, which can also bring performance benefits.

2) Applications open on the Dock

From the dock below, the black dots at the bottom under the various icons indicate applications still running even if we had previously closed them with the X at the top left of the window.

We right-click on the icon of the program that is still active and click on You go out to close the program.

3) Manage autostart items

On Mac we can view all the apps that start together with the system and which, therefore, can lengthen the initial loading time; to immediately carry out a check, press at the top left on the bitten apple, press up System settings and we press on General -> Login Itemsdeactivating the switches next to the individual items present (in the section Consenti in background); in the section Open at login you can remove any added apps by selecting them and pressing down on theicon –.

In addition to the login items you can check the folder /Library/StartupItems (search in Finder). In this folder you need to look for applications no longer present on your computer and remove them.

On this topic we can also read our guide to App for Mac with which to manage automatic app launch.

4) Prevent saving app windows

One of the most useful features in MacOS is that of review the open applications and windows from the last time you used your Mac. This feature takes significant resources depending on the number of windows that have been open and slows down the computer’s startup time.

You can deactivate this function in System Settings -> Desktop and Dock and turning off the switch next to the item Close windows when you exit an application.

5) Uninstall unnecessary applications

To remove unnecessary applications we open the Finder and let’s get into the folder Applications, so you can uninstall programs that you don’t use and that aren’t necessary; to uninstall, just drag them to the Trash in the bottom bar.

To ensure that uninstallation leaves no traces, it is worth using the program CleanMyMac Xa point of reference for effectively removing all traces of installed apps, thanks to uninstallation and cleaning of any residues present on the disk.

6) Disk Cleanup

Once you uninstall programs that are no longer needed on your system, it’s worth the effort check for larger files taking up disk space and remove them with the right program. One of the best programs that we can use for disk cleaning on Mac is CCleaner for Macthe Apple counterpart of the famous cleaning application also present on Windows.

Let’s install this famous app on our Mac and take advantage of the various windows available for delete browsing traces of installed browsersdata from superfluous apps, free up disk space, block automatic startups and any other setting already seen in the Windows counterpart.

Alternatively we can use the program mentioned in the previous chapter, i.e CleanMyMac Xequipped with various cleaning tools for the drive inside the Mac.

7) Use Onyx to optimize performance

this site is a program to optimize a Mac computer and prevent future problems; we can download it for every version of MacOS and it also works well on new Macs with M1 or M2 chips.

OnyX has many basic commands, but it is also an advanced tool that should be used with caution if you are not very experienced.
With this program we can cure the Mac by clicking on the various menus, each with its own entries: Maintenance, Cleaning, Utility, Automation and so on. The cleaning process is automatic and can be configured to delete old and useless files from the cache, internet and other programs.


The MacOS operating system requires significantly less attention than any version of WindowsIn fact, the measures we will recommend are much simpler and more immediate to use than the many programs and tools available for Windows and dedicated to cleaning and optimizing performance.

As far as possible, MacOS and the devices where it is present (iMac and MacBook) require a milder level of attention, but this doesn’t mean we have to limit ourselves to watching our system slowly slow down! Carefully following all the steps below we will solve slowdown problems and optimize the MacOS operating system to always carry out its tasks at maximum speed.

If that’s not enough, the to-do list for how to speed up your Mac and avoid slowdowns even if it is old.


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