12/26/2023 0 Comments Macos catalina installer![]() ![]() Quick note: You want to do this before creating the bootable media because there is a good chance that the drive was formatted using a Windows device. To create a bootable USB drive with macOS, use these steps:ĭownload and install TransMac on Windows 10. One high-quality USB flash drive with 16GB of storage.Ĭreate macOS bootable USB installation media.Create a GPT partition on a USB flash driveīefore proceeding, you’ll need the following:.Create macOS bootable USB installation media.This guide will teach you the steps to create a macOS bootable USB installation on Windows 10 (or 11), which you can use to reinstall or upgrade the Apple OS. You can use a Windows 11, 10, 8.1, or 7 computer to quickly create a USB bootable installation media to reinstall macOS Ventura, Monterey, Big Sur, Catalina, or Mojave on your Mac. However, if none of your devices (MacBook, MacBook Air, MacBook Pro, iMac, Mac Pro, or Mac Mini) are not working when you need them the most, you can use a Windows computer to rescue your Apple device. ![]() This is one of the main reasons you should consider creating a macOS bootable USB when your computer is working correctly. If the unexpected happens with an Apple computer, you can use a macOS bootable USB with the installation media to repair it. It’s a matter of time until the device refuses to start, which could happen for many reasons, including (and not limited to) file corruption, hardware failure, or buggy update. Great thanks to those who figured this out-having a virtualized beta to test with is incredibly convenient.It doesn’t matter whether you use macOS, Windows 11, or Windows 10. Run it once and then approve all the security requests and allow the extension, reboot, then run the Tools installer again, and it should work. You then drag this image into the new VM's setup screen to start the process.įinal note: I had to run the Install VMware Tools command twice. If you don't want to install the profile on your actual Mac, you can follow the above steps in an existing virtual machine, then copy the installer to your actual Mac via drag-from-VM or via file sharing. When it's fully downloaded, quit System Preferences, and you'll find "Install macOS 10.15 Beta.app" in your Applications folder. Then open System Preferences > Update, and let the installer download. ![]() To do that, you need to install the Catalina profile from Apple's developer download page (login required). One thing that may not be obvious from the instructions is how to actually get the macOS Catalina installer app you need to proceed. I have no idea why mine worked in a different manner. When I then restarted the VM, macOS booted to the initial setup screen (select a region, etc.), and everything worked.Īs it turns out, it seems that my installer had run all the way through before getting to the Windows controller boot screen for the first time, because what I did as a fix is listed as the next steps after the installer finishes, which the instructions describe as hapening after the first visit to the Windows controller boot screen. Instead, I saw a few boot failed messages-it looked like it couldn't find a boot volume-and I wound up back at the same screen.Īfter a few cycles of this, and not sure what to do about it, I tried something on a lark, and it worked: I shut down the VM, then opened its settings, went to General, and changed the OS type back to macOS 10.14 from Windows 10 圆4. This should then give you the normal boot progress screen:īut for me, it didn't provide the boot progress screen. That all sounds great, so I set to work, and all was progressing well…until I reached the part that reads… I'm not going to replicate the entire blog post here, as it's quite involved (and includes lots of helpful screenshots), but the short version is that it requires setting up a new VM (upgrading will not work!) as a macOS 10.14 guest, customizing the settings to change it to a Windows 10 圆4 (yes, really) guest, launching the VM setup tool by dropping the Catalina installer app on it, interacting with the Windows 10 boot controller a couple times, then finally changing the VM back to a Mac guest OS. I tried it, and while it did work for me, I had to change the instructions just a bit (read on for the details). Thankfully, some enterprising Fusion users (Bogdam and intel008) have figured out a workaround. With Catalina, however, attempting the install results in a black screen. With past OS releases, this has been a relatively easy process. ![]() While I have older hardware (a 2013 MacBook Pro) that I use for testing macOS betas-it's now running Catalina-it's often handy to have the latest macOS beta running in VMware Fusion on my iMac. ![]()
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