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Which disk should I install Mac OS?
If the installer doesn’t see your disk, or it says that it can’t install on your computer or volume, you might need to erase your disk first. If the installer offers you the choice between installing on Macintosh HD or Macintosh HD – Data, choose Macintosh HD.
Do I need to erase disk before installing MacOS?
If you want a truly clean installation, however, you need to first wipe your hard drive. We’ve shown you how to securely wipe a hard drive with your Mac, and doing so in Recovery Mode isn’t really different from doing so within macOS. To get started, click the Disk Utility option.
Do I choose Macintosh HD or Macintosh HD data?
Answer: A: That’s normal. The Mac HD – Data volume is where your files and apps are kept and you have access to them just like the older system volumes. The Macintosh HD volume is where the system and system support files are kept and the user has no access to them.
How do I reduce my Macintosh HD data?
Use Disk Utility to erase your Mac Select Macintosh HD in the sidebar of Disk Utility. Don’t see Macintosh HD? Click the Erase button in the toolbar, then enter the requested details: Name: Macintosh HD.
How do I clean install Catalina on my Mac?
In Disk Utility, select “Macintosh HD” (or the name of the disk to erase and clean install Catalina onto), then click the “Erase” button Select “Macintosh HD” as the destination to install MacOS Catalina, then choose “Install” to begin clean installing MacOS Catalina
What happens when I do a clean install of Catalina?
The Mac will reboot itself automatically during the process, let it finish and do not interrupt the installation. After the clean install of Catalina has completed, the Mac will boot back into a fresh and new installation fo MacOS Catalina, similar to getting a new computer and turning it on the first time.
What does a clean install on a Mac feel like?
A clean install sort of feels like getting a new Mac in the sense that no data is on the device at all, there are no apps, no user accounts or user data, no system preferences or customizations, there is nothing left on the Mac at all, it’s just a blank new installation of MacOS Catalina.
Where can I get Catalina for my Mac?
If it’s Catalina you want you can get that here. Alternatively open Mac App Store and search for Catalina. Once you have located Big Sur on the Mac App Store follow these instructions: