Updating macOS is a lengthy process but sometimes the update process fails and an error message appears that says macOS could not be installed on your computer. If you too are facing the issue, there is nothing to worry about. You yourself can easily fix the error. Below you will know the fixes that will help you solve the problem.
Proven Ways to Fix the macOS Installation Couldn’t Be Completed
If you find that the macOS installation procedure is not completed on your computer. Every time you restart your computer, you find that the installer is opening again and again. Below you will get the procedure that will help you stop the loop and fix the issue very easily.
Fix 1: Restart Your Mac
You must try restarting your Mac to solve the issue. After restarting your Mac you should try again the update process. To restart the mac, you should open the Apple menu and tap on the restart option from the dropdown down. If the mac is not working, you can press and hold the power button to shut down the device.
Fix 2: Set Date and Time
Sometimes it might be possible that the time and date on your mac are wrong. In such a case, this will create a problem with the Apple servers. This might be the reason for the issue you are facing. So just make sure the time and date are correct.
Fix 3: Reboot Your MacOS
First of all, you must try booting up your MacOS in safe mode. In a safe mode, other programs will stop launching upon startup that also includes the macOS installer. When you boot the Mac in safe mode, it will stop programs that will make any trouble that is running in the background. If you want to boot your mac in safe mode, you have to restart your Mac and hold the shift key until you see its power on. Then you have to release the shift key as soon as you see the Apple logo and hear the sound of starting up the mac. You must see that it should say safe boot when you see the menu bar on the login screen.
Fix 4: Create Some Free Space on Your MacOS
The macOS installer needs some space on your Mac device. So to complete the installation process you need about 20 GB of free space on your computer. So you should go to storage and clear some space in your mac.
Before the Update Process, You should do the following.
Step 1: Create a Backup
Before you install any major macOS update, you must make sure that you always have a backup. The reason is that when you update the mac, the core files can be edited in the operating system and as a result of something getting wrong, you will lose the files from your mac completely.
Step 2: Check Compatibility
Before you move to make any troubleshooting step, you must make sure that whether the version of macOS is compatible with you Mac. To do so, you have to open the app store on your mac and look for the macOS versions that you are interested to install. Then you have to tap on the app to see the details in the apps store and scroll down to check the information section. Then under the compatibility section, the app store will let you know if the software works on your mac or not. If the mac is not compatible, you will not be able to install the version update on macOS.
You should try the above fixes and solve the issue you are facing.