If you’re ready to sell or give away your existing Mac notebook or wipe it for another reason there are a few things you’ll want to do in addition to erasing the hard drive. If the installer doesn't see your disk, or it says that it can't. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.Step 2: Create a bootable drive of macOS Big Sur. Magician Software Installation Guide.Step 1: Back up your Mac. Version 7.0.0 140MB DOWNLOAD. Navigate in the menu bar to Account → Authorizations → Deauthorize This Computer.This software is not compatible with other manufacturers SSDs. On Macs running macOS Mojave and earlier, you’ll also want to deauthorize your Mac in iTunes. Think of it as taking a new Mac right out of the box, with no corrupted system files or any apps and data, and then installing what you need on the machine.Before you factory reset your MacBook Pro, make sure that you have a current backup.
Back Up For Clean Install MacOS FromIf you’re giving your MacBook Pro to someone in your household, you may want to unpair any Bluetooth devices as well.Therefore, your Mac should be charged enough to complete the installation. It doesn’t hurt to sign out of any other accounts under System Preferences → Internet Accounts, too. Note: If you are reading this article on the Mac you want to perform the clean install with, switch to another device or print this page before continuing so you can read along as you go.And you’ll want sign out of iCloud, iMessage, and FaceTime. Step 4: Install a new copy of macOS Big Sur. Somud free downloadSign out of iMessage and FaceTime (in Preferences for each app) Sign out of iCloud (System Preferences > Apple ID > Overview > Sign Out) Sign out of iTunes in macOS Mojave and earlier (Account → Authorizations → Deauthorize This Computer) How to revive and restore M1 Macs, what the difference is, and when to use them Selling your MacBook? Here’s how to repair the butterfly keyboard for free and get more moneyNote: If you have an Apple Silicon M1 Mac, they can use a different process to factory reset/restore to the fullest degree. Images below show the process on a MacBook Air.Loading time for macOS Recovery will vary depending on your internet connection. ⌥⌘R (Option Command R) = Upgrade to the latest macOS that is compatible with your MacApple notes on its support page, “if you’re selling or giving away a Mac that is using OS X El Capitan or earlier, use Option-Command-R to make sure that the installation isn’t associated with your Apple ID.” This also installs the latest available software.For this walkthrough, I’ve used ⌥⌘R, which will use macOS Recovery over the internet and reinstall the latest macOS version (this option requires a Wi-Fi connection). ⌘R (Command R) = Reinstall the latest macOS that was installed on your Mac, without upgrading to a later version. Boot into macOS RecoveryMacOS Recovery will install a different version of macOS depending on the key combination you use when starting up your Mac (no installation discs or macOS loaded onto an external drive is needed). Hold down one of the following key combinations right after powering on your Mac, and let go when you see the globe or Apple logo. Release the keys after about 20 seconds. Here’s how to do it:Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Enter a name for the disk (Macintosh HD is the default on a new Mac), use Mac OS Extended (Journaled) for formatting, and GUID Partition Map for scheme or APFS as recommended by Disk Utility Click Erase in the top area of the utility window (if you don’t see or can’t select erase, click the volume name beneath the disk name ( Macintosh HD) , then try again) Select your startup disk in the sidebar of Disk Utility (click the top item like Apple SSD, as in the image shown below, not the volume name, Macintosh HD) Click Disk Utility in the utilities window, then click Continue. If selling or giving your Mac to someone else, use the keyboard shortcut ⌘Q to quit the setup assistant and power your Mac down. If keeping your Mac, continue on with the setup process. When the installation is complete you’ll see the welcome screen with the region selector.
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