![]() If these links don't work as expected, try again using Safari, which is in your Applications folder.ĭouble-click the. Use these links to download a macOS disk image (.dmg) file. To get the installer from the disk image, you must use a Mac that is compatible with that macOS. These older macOS versions are available as disk images that you can download using your web browser. Or quit without installing to leave the installer in your Applications folder for later use. Follow the onscreen installation instructions. Software Update might open and ask you to download from there.Īfter downloading to your Applications folder, the installer opens automatically. If these links don't work as expected, try again using Safari, which is in your Applications folder.Ĭick the Get button in the App Store to begin downloading. Use these links to find macOS in the App Store. If your Mac isn't compatible, the App Store dims the Get button, says that the macOS is not compatible with this device, or says that the requested version of macOS is not available. To download macOS from the App Store, you must download from a Mac that is compatible with that macOS. How to reinstall macOS from macOS Recovery Use the App Store If you want to reinstall macOS, or your Mac doesn't start up all the way because it doesn't have a working operating system, you can use the built-in Recovery system to reinstall macOS. How to update macOS using Software Update Use macOS Recovery If Software Update says that your Mac is up to date, then no new software is currently available for your Mac model. ![]() Software Update shows only software that is compatible with your Mac. Software Update is the fastest and easiest way to get macOS updates and upgrades, and it can use less storage space to download and install them.
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![]() You must hold down the shift key twice: once when you turn on the computer, and again when you log in. Start up in safe mode and log in to the account with the problem. Please take this step regardless of the results of Step 1.ĭisconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. ![]() The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches. Create a new account in which to test, and delete it, including its home folder, after testing. The “Guest User” login created by “Find My Mac” is not the same. *Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. Any files you created in the guest account will be deleted automatically when you log out of it. Same problem?Īfter testing, log out of the guest account and, in your own account, disable it if you wish. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin. Don’t be alarmed by this behavior it’s normal. Applications will behave as if you were running them for the first time. While logged in as Guest, you won’t have access to any of your documents or settings. Don't use the Safari-only “Guest User” login created by “Find My Mac.” The purpose of this step is to determine whether the problem is localized to your user account.Įnable guest logins* and log in as Guest. Don’t be disappointed when you find that nothing has changed after you complete it. This procedure is a test, not a solution. Please read this whole message before doing anything. |
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