![]() ![]() It helps you remove junk data and clean your Mac from various aspects. To free up space for installing the new Mac OS, you may use BuhoCleaner – a professional Mac cleaner program. In this post, you’ve learned how to clean install macOS Sonoma 14 with/without USB. Click Upgrade Now to download and install macOS Sonoma on your Mac. If macOS Sonoma is available for your Mac now, you can directly upgrade to the macOS 14 version if you want.Let your Mac automatically check for updates. Click Apple > System Settings > General > Software Update.If you want to keep all data instead of performing a clean install of macOS 14, you can choose to directly upgrade to macOS Sonoma. Back to the macOS Recovery screen and select Reinstall macOS Sonoma to start the macOS Sonoma clean install process.Īlternative to macOS Sonoma Clean Install.Select your Mac’s internal disk Macintosh HD and click Erase to wipe your Mac.In the macOS Recovery window, select Disk Utility and click Continue.For Apple silicon Mac, press and hold the Power button, click Options and click Continue. For Intel-based Mac, press the Power button and press and hold Command + R. Back up your Mac with Time Machine or other methods.If you already installed macOS 14 on your Mac and want to reconduct a clean install, you can follow the steps below. How to Clean Install macOS Sonoma without USB Select the bootable drive that contains the macOS Sonoma installer and follow the instructions to perform the clean install of macOS 14 on your Mac.For Apple silicon Macs, press and hold the Power button to access the startup options screen. Press the Power button to start your Mac and immediately press the Option key.Connect the bootable USB installer to your Mac.Perform the Clean Install of macOS Sonoma Whenever you upgrade your operating system and especially when you’re trying out a new operating system that has just been released. ![]() Press Enter to create the installation media for macOS Sonoma 14. Back up your Mac before upgrading to macOS 10.14 Mojave. Replace “MyVolume” with the real name of the USB drive. In Terminal, type the command: sudo /Applications/Install\ macOS\ Sonoma.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume.Create the macOS Sonoma Bootable Installer A bootable macOS Mojave installer has several benefits, including the ability to format a target disk, easily perform clean installs, the ability to install the beta on multiple Macs without having to re-download the installer, and of course since it’s bootable it can be used as a troubleshooting device for macOS Mojave beta Macs as well. Choose the Mac OS Extended (Journaled) file system and format the USB to get it ready for creating the bootable USB installer for macOS Sonoma.Select the target USB drive from the left panel. ![]() Copy all data on it to another device since it will be formatted.
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