To get a copy of macOS Mojave to install on an unsupported Mac, you have to be in the Apple Beta program but more importantly than that, you have to download it on a supported Mac. Click the + button, then choose a size for the partition using the pie chart (you'll need at least 4.8GB for Mojave). Name the partition, then click Apply. When you purchase macOS Mojave from the Mac App Store, the installer will be downloaded to your Mac and placed in the Applications folder.
To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Install Mojave App Store
Before installing, it's a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after you download them:
Install Os X Mojave
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Have you ever tried updating to macOS Mojave, and then the installer returns with the message 'An error occurred installing macOS' after running for a few minutes?
In another case, you might find that your MacBook suddenly becomes unresponsive after installing Mojave, taking so much time performing otherwise simple tasks. The show ends with the spinning beach ball of death appearing, staying for a few minutes.
Know that you're not alone – the macOS Mojave install error has happened to a number of users, and it doesn't take a lot for them to realize that the problem is likely related to the OSInstallerSetup and the whole process of migrating to Mojave in general. This article aims to be your quick guide to navigate this problem and address it in no time.
A Quick Reminder Before Troubleshooting
The macOS Mojave install error has been identified as a hardware failure in some instances, given the user's inability to reinstall the operating system despite following the reinstall procedure correctly. Some users, for example, have received this mac error message while attempting to reinstall: 'com.apple.OSInstallerSetup.error error 702.'
Below are some quick steps you can follow to solve this issue. Before going further, however, make sure that your computer is in generally good shape. A reliable third-party tool such as Outbyte MacRepair can scan it for all types of junk, optimize your RAM, and eliminate space hogs safely in order to help you proceed with the troubleshooting efficiently.
Ways to Fix the macOS Mojave Install Error
Let's get to work and try the following steps to address the problem: Mobile apps for pc windows 7.
Install Mojave Using a New User
To do this, disconnect any external device from your Mac computer, such as audio devices, an external hard drive, and other peripherals. Next, try to install the software using a new user. Here are steps to create a new account for testing:
- Choose Apple menu > System Preferences > Users & Groups.
- Click the lock icon, and then enter an administrator name and password.
- Click the + (Add button) found below the list of users.
- Complete the fields for a Standard or Administrator account.
- Click Create Account or OK.
- Log out of your existing account and log in with the new one. Do this by choosing Apple menu > Log out.
- Once at the login window, log in with the new account's name and password. If you're prompted to sign in using an iCloud account or Apple ID, skip that step.
Once done, delete the installer file and then re-download it from the Mac Store.
If the issue still happens while you're in the new account, then that means there's something actually going on. At this point you can try the succeeding steps.
Check Your Software Version
Are you sure that your software is up to date? If you've already upgraded to Mojave, keep it up to date by following these steps:
- Choose Apple menu > System Preferences. Click Software Update to check for updates.
- If new updates are available, click Update now to install them. Choose More info to find out details about every update and select specific ones to install.
https://truehfil277.weebly.com/om-explorer-download.html. If your Mac is up to date according to Software Update, then that means all macOS apps are also up to date, including Safari, Books, iTunes, Messages, Calendar, Mail, FaceTime, and Photos.
You can also get updates for earlier macOS version such as High Sierra, Sierra, and El Capitan by following these steps:
- Open the App Store app.
- Click Updates located in the App Store toolbar.
- Using the Update buttons, download and install any updates listed.
Use Safe Mode
It's also worth trying the Safe Mode option to resolve the issue. Also known as safe boot, it's a way of initiating your Mac in a way that certain checks are done and the software is barred from automatically loading or opening. How to change your web browser. It can verify your startup disk and try to repair directory issues, as well as delete font cashes, kernel cache, and other system cache files.
Follow these steps to start up in safe mode:
- Start or restart your Mac. Afterwards, immediately press and hold the Shift key. At this point, the Apple logo should appear.
- Release the Shift key once you see the login window. For those whose startup disk is encrypted with FileVault, the user might be asked to log in twice.
- Leave in safe mode by restarting your Mac – no need to press any keys during startup.
Now, try to install the macOS update in safe mode. Photoshop cs4 release date.
Check for Hardware Issues
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Install Mojave App Store
Before installing, it's a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after you download them:
Install Os X Mojave
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Have you ever tried updating to macOS Mojave, and then the installer returns with the message 'An error occurred installing macOS' after running for a few minutes?
In another case, you might find that your MacBook suddenly becomes unresponsive after installing Mojave, taking so much time performing otherwise simple tasks. The show ends with the spinning beach ball of death appearing, staying for a few minutes.
Know that you're not alone – the macOS Mojave install error has happened to a number of users, and it doesn't take a lot for them to realize that the problem is likely related to the OSInstallerSetup and the whole process of migrating to Mojave in general. This article aims to be your quick guide to navigate this problem and address it in no time.
A Quick Reminder Before Troubleshooting
The macOS Mojave install error has been identified as a hardware failure in some instances, given the user's inability to reinstall the operating system despite following the reinstall procedure correctly. Some users, for example, have received this mac error message while attempting to reinstall: 'com.apple.OSInstallerSetup.error error 702.'
Below are some quick steps you can follow to solve this issue. Before going further, however, make sure that your computer is in generally good shape. A reliable third-party tool such as Outbyte MacRepair can scan it for all types of junk, optimize your RAM, and eliminate space hogs safely in order to help you proceed with the troubleshooting efficiently.
Ways to Fix the macOS Mojave Install Error
Let's get to work and try the following steps to address the problem: Mobile apps for pc windows 7.
Install Mojave Using a New User
To do this, disconnect any external device from your Mac computer, such as audio devices, an external hard drive, and other peripherals. Next, try to install the software using a new user. Here are steps to create a new account for testing:
- Choose Apple menu > System Preferences > Users & Groups.
- Click the lock icon, and then enter an administrator name and password.
- Click the + (Add button) found below the list of users.
- Complete the fields for a Standard or Administrator account.
- Click Create Account or OK.
- Log out of your existing account and log in with the new one. Do this by choosing Apple menu > Log out.
- Once at the login window, log in with the new account's name and password. If you're prompted to sign in using an iCloud account or Apple ID, skip that step.
Once done, delete the installer file and then re-download it from the Mac Store.
If the issue still happens while you're in the new account, then that means there's something actually going on. At this point you can try the succeeding steps.
Check Your Software Version
Are you sure that your software is up to date? If you've already upgraded to Mojave, keep it up to date by following these steps:
- Choose Apple menu > System Preferences. Click Software Update to check for updates.
- If new updates are available, click Update now to install them. Choose More info to find out details about every update and select specific ones to install.
https://truehfil277.weebly.com/om-explorer-download.html. If your Mac is up to date according to Software Update, then that means all macOS apps are also up to date, including Safari, Books, iTunes, Messages, Calendar, Mail, FaceTime, and Photos.
You can also get updates for earlier macOS version such as High Sierra, Sierra, and El Capitan by following these steps:
- Open the App Store app.
- Click Updates located in the App Store toolbar.
- Using the Update buttons, download and install any updates listed.
Use Safe Mode
It's also worth trying the Safe Mode option to resolve the issue. Also known as safe boot, it's a way of initiating your Mac in a way that certain checks are done and the software is barred from automatically loading or opening. How to change your web browser. It can verify your startup disk and try to repair directory issues, as well as delete font cashes, kernel cache, and other system cache files.
Follow these steps to start up in safe mode:
- Start or restart your Mac. Afterwards, immediately press and hold the Shift key. At this point, the Apple logo should appear.
- Release the Shift key once you see the login window. For those whose startup disk is encrypted with FileVault, the user might be asked to log in twice.
- Leave in safe mode by restarting your Mac – no need to press any keys during startup.
Now, try to install the macOS update in safe mode. Photoshop cs4 release date.
Check for Hardware Issues
Apple Diagnostics assists you testing your machine for hardware issues. Once you have isolated the issue as a possible hardware problem, you can follow these steps:
- Disconnect all external devices except your mouse, keyboard, display, Ethernet connection, and AC power connection.
- Keep your Mac on a hard, flat, and stable surface that has proper ventilation.
- Shut down your computer.
- Turn it one, and then immediately press and Hold the D key on the keyboard. Keep doing it until a screen asking you to choose your language appears.
- The check lasts up to three minutes. If there is an issue found, Apple Diagnostics suggests solutions as well as offers references codes, which you should note before proceeding.
- Choose from the following options:
- Repeat the test by clicking Run the test again or pressing Command-R.
- Click Get started or press Command-G for further information.
- Restart your Mac by clicking Restart or pressing R.
- Click Shut down or press S to shut it down.
Check for Software Issues
Is it a software issue bugging your system and resulting in the macOS Mojave install error and subsequent problems with using your computer? Follow the instructions on this Apple Support page to address the issue depending on whether it occurs in just one app, in different apps, or in Mac OS X.
Clean-Install macOS Mojave
Apps like photoshop but free. Here are the steps to follow to create a bootable Mojave installer:
- Download the new macOS from the App Store.
- Connect a USB drive to your Mac.
- Go to Disk Utility.
- Click the Erase tab, and select Mac OS Extended (Journaled) in the format tab.
- Give your USB a name. Click Erase.
- Once done, click Done and close Disk Utility.
- Next, launch Terminal once the USB is formatted.
- Make sure the USB is connected. Write the commands below in Terminal, where [YOUR DRIVE NAME] is the name you provided the installer drive:
sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia –volume /Volumes/[YOUR DRIVE NAME] –applicationpath /Applications/Install macOS Mojave.app
Install Mojave Apple
- Hit Return. Enter your admin password and the bootable installer will be the created on the USB.
- Once you see Done in the Terminal window, quit Terminal.
It's time to clean-install macOS Mojave on your Mac. Before proceeding, make sure to back up your Mac to keep your important files. Continue with these steps:
- Erase your main drive by going to System Preferences.
- Сlick Startup disk. Select the installer you just created.
- Restart your Mac and boot into recovery mode by holding down Command-R.
- Take your bootable USB and connect it to your computer.
- When the macOS Utilities screen appears, reinstall a new copy of macOS.
- Click Continue, then click Continue again once the next window shows up.
- Agree to the terms and conditions.
- Next, choose your Mac's internal drive.
- Click Install.
- Wait for macOS Mojave to install and your machine to restart.
Final Notes
If you've tried the solutions above but the macOS Mojave install error persists, perhaps it's time to contact Apple Support or seek professional service. Follow the steps here. Make sure to also do the steps above correctly to prevent new problems from popping up.
Have you encountered this error before? What solved the issue? Let us know in the comments!
Install Mojave In Virtualbox
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