In any case, start by completely shutting down your Mac, either via the Apple menu and then the Shutdown command, or by holding down the power button.The window that appears clearly indicates whether it is equipped with an Intel processor or an Apple chip (M1 or other). If you are in doubt, and you can start your Mac normally, click on the Apple menu and choose the menu item About your Mac.However, the operations to be carried out to access it depend on the model of your Mac. No matter what model your Mac is, you need to restart it before you can access macOS Recovery Mode. One click on Remove, and your Mac is ready to join its new owner’s account. A window asks if you really want to remove this device from your account. In the list of your devices, click on the affected Mac, then on the cross to the right of its name. If you ever forgot to do this beforehand, you can also turn off Activation Lock, by signing into your Apple account, through the iCloud site. It is therefore advisable to completely forget your Apple account on your Mac if you want to part with it. On all these models, the Find My Mac feature is inseparable from the one called Activation Lock, an anti-theft device that makes the Mac unusable without the original Apple account. There are a large number of models, since 2018, to which must be added all Macs equipped with the “home” M1 chip. This is preferable for all Macs, but even absolutely essential for all Macs with a T2 protection chip. This will allow you to make sure that your Mac is no longer linked to your account and in particular to the Find my Mac function. Read: Boost Your Mac’s Productivity and Get the Most Out of ItĪnother important detail: if you intend to sell or give away your Mac, don’t forget to sign out of your iCloud account, from System Preferences. To avoid losing important data permanently, it is imperative to make a backup of your Mac beforehand. Warning ! Before you start, be aware that this operation erases all content on a Mac before you reinstall the system. What precautions should you take before reinstalling macOS? In this case, the storage space is necessarily empty and reinstallation via the Internet is required. This method also works if you change your hard drive to an SSD.
IMAC OS REINSTALL DISK INSTALL
In this case, an internet connection is enough and your Mac is able to download a compatible version of macOS and install it. You can even reinstall macOS on a Mac in the event of a major internal drive failure preventing the use of the hidden recovery partition. Indeed, since 2010 for some models, one can start a Mac in “recovery mode” to reinstall the system completely, thanks to a hidden partition on the internal storage space: it is a reserved area containing a complete installation version of the system. Not to mention that with a Mac, it’s easy: no need for CDs, DVDs or USB keys to reinstall the system. Conversely, if you’ve just bought a used Mac, you can do the same to make sure nothing is left of your seller’s data. This method is also recommended if you want to sell your Mac without your personal data. Like on PC, it is sometimes faster and more efficient to reset it by erasing all its content and reinstalling the system afresh. Your Mac has become too slow because its hard drive has become cluttered with files? Cleaning it up unfortunately is not always enough. A radical, yet simple solution thanks to the recovery features of macOS. To give your Mac a facelift or clean it up completely, nothing beats a complete system reinstallation.
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