MacOS Catalina 10.15 started the process of dividing the computer’s disk into the read-only operating system and writeable user data partition. This was the first obvious sign that Erase All Content and Settings was coming. It also laid the groundwork for macOS Big Sur 11.0 to introduce signi...
2. Decide whether to erase (format) your disk You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase your disk before installing macOS, select Disk Utility from the Utilities...
Recovery Assistant provides only one way to erase a Mac, and it's always a correct full erase. Which Macs support this? Any Mac running macOS Catalina or later (10.15+) can use this method. This includes all Apple silicon Macs - the oldest macOS to support them is macOS Big Sur (11.0...
Reinstall a new Catalina on a newly purchased 2019 MacBook Pro Hello Apple Community and Apple, I've recently purchased a 2019 macbook pro with 256 ram, 16 gig ram. In order to save on some storage from the existing installation of the MacOS Mojave w/ a ton of software i dont normally...
When you erase your disk using Mac OS Extended (Journaled) and then proceed to install macOS High Sierra, Mojave, or a later version, the macOS installer will automatically determine whether to convert the disk to APFS. Let your macOS installer handle this process. ...
Jan 08, 2025 • Filed to: Solve Mac Problems • Proven solutions Q: How can I install or upgrade to macOS Catalina? "I have heard that Apple has released a brand new macOS version that is available for download. Can someone tell me how to install macOS Catalina 10.15 on my MacBoo...
Erase all your data from your Mac. Restore your Mac to its factory settings. Reinstall macOS. 1. Back up your Mac Before you delete everything on your Mac make sure to make a copy! Before you do anything you should back up or clone your Mac. This is because (as you might ...
At the “macOS Utilities” screen, choose “Disk Utility” In Disk Utility, select “Macintosh HD” (or the name of the disk to erase and clean install Catalina onto), then click the “Erase” button Choose “Macintosh HD” as the name, then go to “Format” and select APFS, then cho...
Applies To: macOS Big Sur, macOS Catalina, macOS Mojave, macOS High Sierra, macOS Sierra, or earlier Mac operating systems The need to update or reinstall your macOS always follow the release of a new operating system, the slow performance of your Mac, or a system crash. When it comes to...
Enter your admin password and click Y to confirm you want to erase the disk. Click Return. Once the process is completed, you’ll see “Done” in the Terminal window. Step 3. Let macOS Catalina go Now you’re ready to get rid of the macOS Catalina beta. With a bootable backup,...