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Your Mac doesn't support the macOS you're trying to install.There are problems with your Mac's startup disk.There are corruptions in the macOS installer file.You don't have enough free space on your Mac.Some of the most common reasons macOS can't complete the installation include: There are quite a few different reasons why a macOS installation might fail. Why does 'macOS could not be installed on your computer' appear How to fix 'macOS could not be installed on your computer' How to prepare your Mac for troubleshooting the installation error Just keep reading to learn what causes the macOS installation couldn't be completed and how to troubleshoot the issue or similar like on your Mac. The good news is, it's pretty easy to fix by using the troubleshooting steps below. Sometimes when you try to update your Mac's operating system, you found the Mac won't update due to a ' macOS could not be installed on your computer' error occurring.īe similar to the error " Some updates could not be installed automatically", it may frustrate you a lot since the installation of macOS could not continue.
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