On a Mac with Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Erase Assistant to reset your Mac to factory settings before you trade it in or sell it. In the settings where you select a volume, select your current macOS volume (in most cases, it’s the only one available). In the Recovery app window, select Reinstall for your macOS release, then click Continue. Reinstall your current version of macOS: Command-R. Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R. Install the latest version of macOS compatible with your computer: Option-Command-R. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. Start up your computer in macOS Recovery: Turn on your Mac and continue to press and hold the power button until you see the startup options. How to use safe mode Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps: Apple silicon 1. Here's how: How to use safe mode on your Mac. Get started with accessibility features You can do this with safe mode on the Mac.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices.Make and receive phone calls on your Mac.Once downloaded, reboot into Safeboot modethen launch the Install macOS Catalina.app' like any other applications. (to proceed use the enterreturn key) It will down load to your default location. Use one keyboard and mouse to control Mac and iPad From Mojave, open the terminal and download directly by copy & paste: softwareupdate -fetch-full-installer -full-installer-version 10.15.3.Use Live Text to interact with text in a photo.Make text and other items on the screen bigger.Note: We recommend to move the Install macOS.app into the /Applications folder, as well be executing commands from there. Mount it and youll find the installer application. Install and reinstall apps from the App Store Once finished, youll find in your /macOS-Installer/ folder a DMG containing the macOS Installer, called for example. ![]() I then closed the VM, opened the VM location in finder and have uploaded the "MacOS Video " file as requested. iso file in the Settings>Storage and restarting the VM it opened to a black screen. If the step above did not work, you might have to delete the macOS Catalina. An incorrect system time usually gets in the way of a lot of system processes. iso file installed it opened to a UEFI Shell screen, after closing the VM and adding the. How to Fix Errors When Preparing for the Installation of macOS Catalina Check Your Mac’s System Date and Time. iso file that was created in the first video. The second video shows what I did to create the VM itself in VirtualBox, using the. The first video addresses how I made the Catalina.iso file from Install macOS Catalina.app file that contains MacOS version 15.2.02. Hopefully will provide some clarity on the issues I'm having or what I'm missing in the VM Creation Process. I still am not completely sure how to describe the issue via text, so I took videos of the process I went to to get where I am. I'm new to VM's and am working on learning. If you're using one of these computers with OS X Mavericks or later, you can install macOS Catalina.Your Mac also needs at least 4GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier. I'm sorry for the lack of clarity in the initial questions. Let me know if you need any log files or screen shots in order to have a better picture of what's happening. So part of what I need help with is even just diagnosing what is going wrong so I can know what question to ask to find out what needs fixing. ![]() ![]() If you try to run the sample app by typing flutter run. And for the final big hurdle, we need to install a legacy version of Java, in quite a hacky way. ![]() I'm somewhat tech savvy, but these are some of my first ventures into terminal commands and this side of the computer. Installing legacy Java on macOS Catalina. The other result, with the iso file I created from the Install macOS Catalina.app is just a straight black screen with no options for any commands in the VM Window. I've downloaded ISO files, created my own from the Install macOS Catalina.app.Įach time I get to the point of starting the VM, I setup everything according to what I've found online and I either have had it go to a UEFI Interactive Shell, and even when I add the AFPS Boot Image to the VM I'm still not able to enter the commands to move past that screen. I've been working on trying to create a MacOS Virtual Box VM for the past few days.
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