

Now, you need to connect the bootable USB with your frozen Mac at macOS installation error and boot it from Recoverit USB drive. Wait patiently for Recoverit to complete the creation. Once you have selected USB drive as "Bootable media drive", Recoverit will format the drive to ensure free space and create a bootable media.

you need to plug in a USB drive to your new MacBook to create a bootable USB drive. Once the software has completely launched, click Recover from Crashed Computer. Preparations for data recovery from Macįirst of all, you need to get another MacBook and install Recoverit on the workable MacBook.ĭownload | Mac Mac Version Download| Win Windows Version Create a bootable media If the Mac is stuck at the macOS installation error, you can use the steps below, to create a bootable USB drive with Recoverit Data Recovery and then rescue your files from the frozen installation. If the Mac can be restarted normally, you can just copy your significant files to a USB drive You can back up the data to an external hard drive first since your files may be erased if an update goes wrong. Back up your data beforehandīefore applying any method on the macOS installation problem, you must back up your data to avoid any misadventure.

macOS installation requires at least 8GB free disk space. There is not enough space on the disk for the installation: This is one of the most common causes where the disk that is used for installation has little space left. There are problems with the disk that you are trying to install macOS to: It could also be the problem with your system disk. The installation is interrupted by files from another mounted drive: Sometimes another mounted drive interrupts the procedure of installation of macOS. The installer is corrupted: The macOS installer is corrupted and that's why the macOS installation couldn't be completed. When your Mac says "the macOS installation couldn't be completed", it could mean: What does macOS installation couldn't be completed mean? Why does your Mac say "macOS installation couldn't be completed"? And how to stop the error and complete the macOS installation.

I clicked it again, but this time said 'The macOS installation couldn't be completed'." It seemed to go through fine, but after restarting it was still offering me the update in the App Store. "I'm installing the 10.13.6 supplemental update on my 2018 MacBook Pro. When trying to update macOS, some users ended up encountering the error: the macOS installation couldn't be completed.
