So, after a failed attempt to upgrade macOS, you logged back in, found nothing changed, and chose to remain on your current system. However, you later discovered a significant amount of leftover installation files taking up space in your storage. And of course you want to clean them up, because they are pretty big in the size. Well, when you try to delete it you get a warning say that ” ” can’t be modified or deleted because it’s required by macOS.
No worries, here’s how to delete all the leftover files after failed macOS upgrade using this simple approach …
Using Disk Utility to delete leftover failed macOS installation files.
The easiest way to delete leftover macOS installation files is by using Disk Utility. Go and open the Disk Utility app. In the Disk Utility Sidebar right click on the Disk where macOS System are installed and choose Show In Finder. See screenshot below
After you click on Show in Finder, that will reveal Files and Folder inside the main system disk. You’ll see there’s two folders named Previouse Content and System. Nah! simply delete them. See screenshot
Done
Yeah! that’s easy,
Now your disk will free from big size of left over folders and files after your attempt failed of upgrading your Mac to the latest version of macOS. Hope this short post useful! have a nice day guys, thanks for visiting our blog 🙂