- #How to clean up mac installation how to
- #How to clean up mac installation install
- #How to clean up mac installation download
#How to clean up mac installation download
#How to clean up mac installation install
There are 3 steps to clean install macOS, the first, also the most important step is always to back up your files to external hard drive or cloud-based accounts.
#How to clean up mac installation how to
How to Clean Install macOS Monterey on Mac from Bootable USB? When clean install macOS, we are often recommended to install from a bootable USB, which is able to install the OS from scratch, especially in the case that our current OS runs slowly/improperly, or you want to install macOS Monterey on different devices. So, make sure at least 16 GB available on your hard drive to clean install this new version.Īlso, prepare 2 external drives, one to back up files, the other one to create the bootable installer (at least 16GB). The installer of macOS Monterey is about 12GB, but you still need extra space to get it work properly and leave enough space to install some important apps on your Mac to check if your workflow can be elevated efficiently. Not all Apple laptop and desktop can have a clean install of macOS 12, Monterey can run on following models: Requirements to Clean Install macOS Monterey When to Clean Install Official Version of macOS Monterey?.What if Files Lost after Installing macOS Monterey?.How to Clean Install macOS Monterey on Mac from Bootable USB.Requirements to Clean Install macOS Monterey.If you booted from a USB disk, click “Continue” to advance to the installer. If you booted from a functioning recovery partition, click the “Reinstall macOS” button. With your information wipe complete, you are now ready to reinstall macOS. If you choose three or five passes, you might want to leave this running overnight. If you opted to wipe your drive securely, this might take a while-30 minutes to an hour is not unreasonable for one pass. Just give your drive a name (I recommend “Macintosh HD”, just for consistency’s sake), then click “Erase” to start the overwriting process. You only need to write over a drive once to securely wipe it, but if you’re paranoid you can also wipe it three or five times.Ĭlick “OK” once you’ve decided, but remember: if your Mac has a solid state drive, you do not need to use these options. Now move the dial up, to randomly write data over your entire drive. You still need to wipe the drive, however, or your files will remain in place, so skip to the end of this step to do so.) (If your Mac has a solid state drive, you can skip this part: your SSD will already securely erase files thanks to TRIM. If you’re wiping a mechanical drive, click “Security Options” in the window that pops up. Click your primary drive, then click “Erase”
If not you can find Disk Utility in the menu bar: click Utilities then Disk Utility. To get started, click the Disk Utility option.ĭepending on how you started Recovery Mode, you may be presented with the option to start Disk Utility right away, as seen above. 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. If you want a truly clean installation, however, you need to first wipe your hard drive. We recommend backing up files before you do this, just in case, but otherwise you’re ready for step three. Your user accounts and files will stay exactly where they are-only your operating system will be overwritten. If you want to re-install your operating system, but leave your files in place, you can skip this step. RELATED: 8 Mac System Features You Can Access in Recovery Mode Step Two: Securely Wipe Your Hard Drive (Optional)
Once you’ve managed to open up the Recovery Mode in some fashion, we can move on to wiping your drive securely. You can access recovery without a partition using Network Recovery: hold Command+Shift+R while turning on your Mac and it will download the Recovery features for you. Failing that, you can create a bootable USB installer for macOS Sierra, and boot from that by holding “Option” while turning on your Mac. If neither of these options work, don’t panic! You’ve got a couple of options yet.
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