If your MacBook is no longer running smoothly or if you want to sell your Mac, you may have to reinstall the MacOS. We will explain how to do this in this article.
Fortunately, no extensive knowledge is required to restore MacOS. Nevertheless, it is wise to make a backup of your computer beforehand, so that you can be sure that you do not lose files when you reinstall MacOS. With Time Machine from Apple itself, you can easily create a make a backup. In any case, it is advisable to let Time Machine automatically make a backup at least once a week (preferably at least once a day, for example at the end of your working day). That way you never have to worry about data loss. Even if your hard disk or ssd breaks down. You can read how to get a backup uses Time Machine.
Intel or M1?
In this article, we will distinguish between two versions of the Mac, namely the older ones that run on Intel chips and the newer ones that use Apple’s own silicone chip. The way in which you reinstall MacOS does not differ in principle, but the way in which you enter the menu to be able to reinstall the operating system.
If you have an older Mac, you should put your computer into recovery mode. Make sure your Mac is connected to the Internet and then immediately hold down the Command key in combination with the R button on your keyboard while your Mac starts up. This is how the built-in macOS Recovery system boots.
At some point, the Apple logo will appear on the screen and you may need to select a user and enter the administrator password if necessary.
If you have a newer Mac with Apple’s M1 chip, turn on your Mac and keep holding the power button until you see a boot options window. Click on the gear symbol with the label Options and click on Continue. Enter your password here if necessary.
Check version
Regardless of your Mac version, you can initiate the reinstallation process with the steps mentioned above. In the macOS Recovery system, click Reinstall macOS and follow the instructions on the screen.
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