
How to prepare your Mac for troubleshooting the installation errorīefore you begin troubleshooting the macOS installation error like ' macOS Monterey cannot be installed on Macintosh HD', there are two things you need to do first. No matter what caused the installation error message to appear on your Mac, you can fix it by following the troubleshooting steps described below. Your Mac doesn't support the macOS you're trying to install.



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.
