Open that app from your Applications folder to begin installing the operating system. 10 or later Follow next steps for Checking Hard Drive Health on Mac: Open Disk. Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg.
After you download the installer from the App Store, the installer opens automatically. Third party Mac optimization apps can help you with this task and reduce the need for the tedious job of a clean install, since they remove all system junk and run various scripts to keep the computer in its best shape.Safari uses these links to find the old installers in the App Store. Optimizing a backup is also important, since you will spare the backup drive and the refreshed Mac from unnecessary data. to Big Sur if you are switching from a different patcher) or do a clean install.
Optimizing Backupsīefore hitting the backup button on Time Machine, just consider this: do you really want to back up all those trash and junk files that have built up over time? Have you checked whether you have duplicate files occupying precious disk space? BOOTABLE MAC OS X USB DRIVE USING WINDOWS 10 - 2021 NEW METHODS How to. You will still need to manually install your applications, but hey, that’s what a lean install is about: a fresh (re)start. The convenience of using iCloud Drive with macOS Sierra is that, after the clean install, you’ll easily retrieve all your documents back on your Mac without the need to attach an external drive to copy them back. The install might take 30 minutes to an hour, then the new user setup, and you should be all set.
Choose the volume that you just created for a destination, and Continue. However, we do highly recommend using iCloud Drive. Should complete in a few seconds, so you can quit Disk Utility, then continue on with Reinstall macOS. The catch is having enough iCloud storage, and this means you may need to opt for a paid iCloud storage tier. That way you’ll have a saved version in the cloud that also becomes available on all your other Macs or iOS devices. Install the operating system from the drive. Load the macOS Monterey installation files onto your USB drive. Format a USB flash drive for macOS Monterey. Download the official macOS Monterey installer. By signing in with your Apple ID, you can have all the files stored in the Desktop and Documents folders stored automatically in iCloud Drive. To perform a clean install of macOS Monterey, follow these steps: Backup your current installation and any personal files. This is the drive that you wish to format and make the clean install onto. 7) Select Macintosh HD or whatever you’ve named your Mac drive. Select Disk Utility from the list, then click Continue. Starting with macOS Sierra, a deeper integration with Apple’s iCloud service made cloud backups seamless on a Mac. 6) The Mac boots into macOS Utilities (see image below), listing four options. If you don’t mind the extra time and care, it’s also recommended that you use an additional hard/flash drive to store just the data you will copy back to the ‘refreshed’ Mac. We recommend Time Machine for a complete system backup. When you cant mount an external hard drive on your Mac, you can try the 5.
This way you’ll back up important data, files and pictures so you can access them after the clean install. As mentioned above, DMG files are the disk image files for MAC OS X. Using the built-in local backup feature, Time Machine, you can save all the data from the Mac on an external hard drive. This is why the first step of a clean install is data backup. A clean install involves formatting the disk all data will be erased, and that’s irreversible. A clean install, on the other hand, erases everything on the Mac, so the preparation phase – or backing your data up – is very important.
The main difference between the two is that the latter preserves all user files, apps and preferences while reinstalling macOS itself, and is mainly used for troubleshooting. We have to stress that a clean install is not the same as a reinstall. Some experts recommend a clean install with every major macOS release for optimal performance, but that’s not necessary for a regular user. Sometimes advanced Mac users may feel the need for a clean install of macOS.