#USB OVERDRIVE UNINSTALL OS X MAVERICKS INSTALL#
#USB OVERDRIVE UNINSTALL OS X MAVERICKS FULL#
#USB OVERDRIVE UNINSTALL OS X MAVERICKS FREE#

The Mac will basically appear as if itвЂ™s new at this point, and youвЂ™re free to either restore data to it from backups, or to start fresh without restoring or copying any anything to the computer again.

#USB OVERDRIVE UNINSTALL OS X MAVERICKS INSTALL#

The Mac will reboot itself automatically during the process, let it finish and do not interrupt the installation.ДЄfter 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.Д«ecause the Mac was erased during this process, there will be no personal files, no apps, no preferences, no settings, no customizations whatsoever on the Mac, it will be as if it is new, which is why this is colloquially called a вЂњclean installвЂќ in the tech world. This will begin the process of clean installing MacOS Catalina onto the Mac, it may take a while to complete.

Select вЂњMacintosh HDвЂќ as the destination to install MacOS Catalina, then choose вЂњInstallвЂќ to begin clean installing MacOS Catalina.

At the вЂmacOS UtilitiesвЂ™ screen again, select вЂњInstall macOSвЂќ from the options.

Quit Disk Utility when finished formatting the disk.

Choose вЂњMacintosh HDвЂќ as the name, then go to вЂњFormatвЂќ and select APFS, then choose вЂњEraseвЂќ вЂ“ WARNING: THIS ERASES ALL DATA ON THE MAC.

In Disk Utility, select вЂњMacintosh HDвЂќ (or the name of the disk to erase and clean install Catalina onto), then click the вЂњEraseвЂќ button.

At the вЂњmacOS UtilitiesвЂќ screen, choose вЂњDisk UtilityвЂќ.

Immediately hold the OPTION key until the boot selection menu appears on the display, then choose the вЂњInstall MacOS CatalinaвЂќ drive at the boot menu.

Connect the MacOS Catalina installer drive to the Macs USB port.

#USB OVERDRIVE UNINSTALL OS X MAVERICKS FULL#

Complete a full Time Machine backup before beginning вЂ“ do not skip making a full backup.Do not proceed unless you are comfortable removing all data and have backups made. Warning: This erases everything on the Mac. Failure to have sufficient data backups may result in permanent data loss, so proceed at your own risk. All personal data, apps, files, and anything on the Mac is erased in this process. ItвЂ™s important to remember that a clean install will erase all data and everything on the Mac. Have a complete backup of the Mac and all important data made, use Time Machine to backup or another thorough backup method of your choice.Have a MacOS Catalina boot USB installer drive already made and ready to use.The Mac must be compatible with macOS Catalina.Be sure you have a complete backup of your Mac and all important data made before proceeding.ДЄ clean install of MacOS Catalina 10.15.x requires the following: Clean installs are not recommended for most Mac users and because the hard disk is erased it has potential to cause permanent data loss, so this is really only appropriate for advanced users with a compelling reason to format their Mac and start over, or if someone is selling a Mac or transferring ownership, or otherwise.

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