Dec 26, 2017 · RELATED: 8 Mac System Features You Can Access in Recovery Mode. Your Mac’s Recovery Mode is a treasure trove of useful tools, and it’s the easiest way to wipe your computer and start from scratch. Shut down your Mac, turn it on while holding down Command+R. Your Mac will boot into the recovery partition.
The operating system takes 30 to 60 minutes to install, so now might be a good time to take a coffee break. When the install is finished, your Mac restarts itself. If you were reinstalling OS X on a hard disk that it had been installed on previously, you’re done. Jan 15, 2019 · To clean install Mac OS from USB, there are three things you should do. First, you should clean up your Mac from the old baggage — system files that have piled up over time. Once it’s all cleaned up, the next you should do is backup your newly cleaned Mac. And finally, after doing a backup, you can clean install OS X of your choice from USB. Restoring your computer back to its original state, whether on Windows or Mac, is a whole lot easier than it used to be—restore partitions (original copies of the OS integrated into your laptop Sep 06, 2019 · Use a Mac OS X installation Disc. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. These discs are available for OS X Snow Leopard, OS X Lion, and OS X Mountain Lion. If your Mac is from 2012 or earlier, there was an installation disc in the original box. Dec 14, 2014 · I’m trying to re-install OS X on a mac mini currently running Yosemite 10.10.3 from the built in recovery partition. I have erased HD, de-authorised from iTunes and signed out of iCloud in readiness to sell the machine – however it is only re-installing Mountain Lion – which is the version of OS X that came when purchased. There, the Mac reaches out over a Wi-Fi or ethernet connection to download the relatively modest Recovery software, which then bootstraps the download of the full macOS installer. Jan 22, 2013 · In order to reinstall Mac OS first you have to download the latest version of the operating system. Launch the "App Store" from the Dock. In the appeared window select the latest Mac OS operating
Jan 15, 2019 · To clean install Mac OS from USB, there are three things you should do. First, you should clean up your Mac from the old baggage — system files that have piled up over time. Once it’s all cleaned up, the next you should do is backup your newly cleaned Mac. And finally, after doing a backup, you can clean install OS X of your choice from USB.
Apr 21, 2020 · Turn your Mac on, while holding the CMD + R keys down Select "Disk Utility" and click on Continue. Select the startup disk and go to the Erase Tab. Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase. Disk Utility > Quit Disk Utility. Re-install MacOSX: click on "Reinstall Mac OS X" > "Continue".
Command-R is still the recommended way to start up from macOS Recovery. This combination makes sure that the installation isn't associated with your Apple ID, which is important if you're selling or giving away your Mac. Option-Command-R installs the macOS that came with your Mac, or the closest version still available.
Apr 05, 2018 · Re-install Mac. Click Reinstall macOS, click Continue, and follow the on-screen instructions from there. This downloads a fresh copy of Mac from the Apple’s recovery server, and installs it on your computer. For instance, if you started experiencing issues after updating to Mac OS X 10.4.9, you may want to use the Mac OS X 10.4.8 combination updater available from Apple's download page and avoid Mac