

Questions?Īny questions about performing a clean install? Let us know below in the comments. Agree to the software terms and conditions.Īre you in the market for a new MacBook? Check out our favorites for the year.Click Continue again when the installer window appears.In Disk Utility, select Macintosh HD (or the name of the disk to erase and clean install Catalina onto), then click the. At the macOS Utilities screen, choose Disk Utility. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. Immediately hold the OPTION key until the boot selection menu appears on the display, then choose the Install MacOS Catalina drive at the boot menu. Click on Reinstall a new copy of macOS. To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.

Step 4: Reinstall a new copy of macOS Big Sur If Scheme is available, select GUID Partition Map.

If your Mac is using APFS, select APFS from the format list.
Clean install new hard drive macbook pro mac os#
Clean install new hard drive macbook pro how to#
How to create a bootable installer for macOS Big Sur Clean up your Mac in 15 quick ways and get rid of all the clutter that slows down Mac.If you don't create a bootable drive for macOS Big Sur, you may have to install an older Mac operating system first and then upgrade to macOS Big Sur afterward. You'll need a copy of macOS Big Sur to perform a clean install later on. This works well if you have a working hard drive already in your Mac and you should clone the drive before installing the new hard drive. Step 2: Create a bootable drive of macOS Big Surīefore you erase your current operating system, download macOS Big Sur from the Mac App Store. I just installed a new 500GB SSD on my MacBook Pro 17' (early 2011) and used Carbon Copy Cloner to clone the contents of my current hard drive to the new one.
