![]() Select the USB to boot your Mac.Īfter you get to the macOS installer screen, you can follow the on-screen instructions to complete the macOS reinstallation process. Then you should see an option to select the bootable USB drive as the startup disk.Press and hold the Power button to start your Mac.Connect the USB drive to your Mac computer.Select the bootable installer volume and press Enter to boot your Mac from the USB drive.Start or restart your Mac, and immediately press and hold the Option key.Plug the USB installation drive to an open USB port on your Mac, you may use a USB adapter on your MacBook (Pro/Air).If you want to manually create a bootable USB for Mac, you may find the detailed guide from. But if you have a bootable installer for macOS, you can also reinstall your Mac OS from the bootable installer. In general, you can follow Way 1 to reinstall macOS and don’t need a Mac bootable installer. Related: How to Upgrade to macOS Sonoma on Your MacBook Pro/Air/iMac Way 2. Alternatively, you can also launch the Time Machine utility from Mac Recovery Mode. To restore data from a Time Machine backup, you can click Apple > System Settings > General > Time Machine, and follow the instructions to restore data and files to your Mac. To reinstall macOS without losing data, you can restore data from the backups you made in Step 1. If you intend to sell your Mac and want to erase all data on it, you should follow the operation in Step 3 to wipe all data first. Reinstalling macOS with the Mac Recovery system will not remove your personal data. Follow the on-screen instructions to install a new copy of macOS Ventura, Monterey, or Big Sur, onto your Mac. Select Macintosh HD when you are asked which disk you want to install macOS. If your Mac’s current OS is Monterey, Big Sur, or another older macOS version, it will show the corresponding current OS you can install. On the Recovery Mode screen, you can select Reinstall macOS Ventura and click Continue. You will be taken back to the macOS Utilities window. Close Disk Utility after the disk is erased.Click the Erase button to start erasing your Mac. Choose a name, format, and scheme for the hard drive.In the Disk Utility window, you can select your Mac’s system drive and click the Erase button.After you get into Recovery Mode on your Mac, you can select Disk Utility and click Continue.If you want to do a clean install of your Mac system, you can wipe the Mac hard disk first before you reinstall OS on your Mac. (Optional) Wipe Disk before Reinstalling Mac OS When you get to the startup options screen, you can select Options and click Continue to access the Mac recovery options. On an Apple Silicon Mac, you can press and hold the Power button. ![]() If you want to reinstall the latest macOS that is compatible with your Mac, you can press Option + Command + R. To reinstall the macOS that came with your Mac on Intel processor Macs, you should press Option + Shift + Command + R keys while booting your Mac. ![]()
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