Open the Apple menu and click About This Mac > select Storage and check if there is at least 16GB free space. First of all, check if your Mac is compatible with the new system second, make sure your Mac has enough storage for Ventura (~12GB). First of all, let's exclude some basic reasons that may cause Ventura update errors. Some known issues already happen during the download and install. Update to macOS 13 Ventura is not always smooth. Click Update to download and install macOS Ventura beta.ĭownload and install macOS Ventura macOS 13 Ventura Update Problems and Fixes When the installer downloads, System Preferences will check for an update to MacOS.Double-click macOSDeveloperBetaAccessUtility.pkg to run the installer. Find and launch the installer of macOS Ventura Developer Beta Access Utility.Click the Install Profile button at the bottom of the page to download macOS Ventura.Then your Apple ID is a free developer account). On the macOS page, click the Download button at the top right corner and sign into your Apple developer account (if you don't have a developer account, click Member Center> sign in with your Apple ID > on the Apple Developer Agreement page, check the box to accept the agreement > click the Submit button.Click the Discover tab > click the macOS tab at the top of the page.It's a long and convoluted process, but it worked for me. No more "software update is required" message!! Boom! Remove your external media (don't need it anymore), and hold down option on the next reboot so you can choose your installer partition. I then added a partition to that drive (APFS) so that my installer partition would have something to install to. Voila, your installer is no longer an "external drive". To get past this, I ended up using Disk Utility to "restore" my SSD using my external installer's image. If you try to disable it from the Startup Security Utility, you might get a "no administrator was found" error, which means you can't actually allow booting from an external drive. Since your install media is undoubtedly on an external drive, you'll be told that booting from an external drive is not allowed. Once you've done that you can now try to install Big Sur. Here's a link to an Apple support article for specifically a 2018 Macbook Pro: Here's a link to the article I used that shows them all: I know it's frowned upon to include links without details, but booting into DFU mode is different depending on which mac you have. Boot the problem computer into "DFU Mode" by doing their convoluted key combo sequence during boot, and then after selecting the DFU machine in Configurator, you can choose Actions - > Restore to begin the process. This is done using the Configurator 2 app on the host computer connected to the problem computer using a USB-C cable connected to a specific USB port. I ended up discovering that I could revive/restore the Apple T2 firmware as well using a second mac "host". Reinstalling the original OS so I could run the Big Sur installer from there instead (High Sierra would install fine but Big Sur would continue to give the "software update is required" message upon reboot).
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