Dec 26, 2017 · Step Three: Reinstall macOS. With your information wipe complete, you are now ready to reinstall macOS. If you booted from a functioning recovery partition, click the “Reinstall macOS” button. The installation process will begin. If you booted from an USB disk, click “Continue” to advance to the installer.
If you’ve never had El Capitan on this Mac, the first thing to do is visit the Mac App Store, download El Capitan (it’s free), and install it. Once you’ve done that, here’s how to install, reinstall, or upgrade to El Capitan, step by step: Boot from your Recovery HD partition by restarting your Mac while holding down the Command+R keys. Feb 03, 2020 · When Terminal indicates that the operation was successful, quit Terminal to return to the macOS Utilities window. Choose Reinstall macOS, then follow the onscreen instructions to reinstall the Mac operating system. Your Mac restarts from your Fusion Drive when done. Sep 06, 2019 · Open Terminal from the Utilities folder in your Applications. Type sudo into Terminal, including the whitespace at the end. Open Finder and go to the ‘Install macOS’ app in your Applications folder. Control-click the app and select ‘Show Package Contents.’ Open the ‘Contents’ folder, then open ‘Resources.’ Jun 11, 2019 · Once your Mac has booted, try re-running the ‘diskutil list’ Terminal command, to see whether this has resolved your issue. If resetting the PRAM doesn’t work, then there’s several ways that you can reinstall a fresh copy of macOS, without a Recovery partition.
just so you're aware, the newer Macbook Pros don't have DVDs supplied any more. This means that deleting apps like Terminal (or, in my case, the X11 utilities) is a permanent state of affairs, unless you have access to another Mac (not in my case) or you have a good relationship with your local Apple store.
I suggest:-- making a complete backup of you machine.-- create another userid for messing with terminal/unix. A book on Bash would be helpful. Practical Guide to Linux Commands, Editors, and Shell Programming, A (2nd Edition) [Paperback] the book Don't be fooled by the name, the second addition includes Mac OS X. But if your Mac boots into the regular login window or just loads a blank screen, then you don’t have a recovery partition. You can also use Terminal to verify if you have a recovery partition by following the steps below: Launch Terminal via Utilities folder or Spotlight search. Type in diskutil list. This will show you a list of all the Aug 25, 2018 · Mac Secret Trick - How to Clone Mac Hard Drive with Disk Utility HDD SDD MacBook Pro iMac 2010-2019 - Duration: 10:09. Gunner Tierno x Yeezy God 353,070 views 10:09
If you have a problem with your Mac and need to reinstal the operating system you should be able to simply reinstall macOS (or Mac OS X) via the Recovery partition. In this article we'll look at
If you’ve never had El Capitan on this Mac, the first thing to do is visit the Mac App Store, download El Capitan (it’s free), and install it. Once you’ve done that, here’s how to install, reinstall, or upgrade to El Capitan, step by step: Boot from your Recovery HD partition by restarting your Mac while holding down the Command+R keys. Feb 03, 2020 · When Terminal indicates that the operation was successful, quit Terminal to return to the macOS Utilities window. Choose Reinstall macOS, then follow the onscreen instructions to reinstall the Mac operating system. Your Mac restarts from your Fusion Drive when done. Sep 06, 2019 · Open Terminal from the Utilities folder in your Applications. Type sudo into Terminal, including the whitespace at the end. Open Finder and go to the ‘Install macOS’ app in your Applications folder. Control-click the app and select ‘Show Package Contents.’ Open the ‘Contents’ folder, then open ‘Resources.’ Jun 11, 2019 · Once your Mac has booted, try re-running the ‘diskutil list’ Terminal command, to see whether this has resolved your issue. If resetting the PRAM doesn’t work, then there’s several ways that you can reinstall a fresh copy of macOS, without a Recovery partition. Terminal is especially helpful if you’re trying to install older versions of macOS or OS X, many of which are technically accessible from the Mac App Store but will be listed as “unavailable There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the