Every computer user knows how important it is to update your operating system and software regularly. This ensures that they will run smoothly, gives you access to the latest features, and, most importantly, protects you from hackers and malware. However, what do you do if your Mac update does not go as planned? Every Mac user generally encounters a “The macOS installation couldn’t be completed’ Issue after successfully updating a newer version. The system first downloads with a newly released version, before proceeding to install it on the Mac. However, after performing the required restart, and some users may be greeted by the notification stating that “The macOS installation couldn’t be completed. After this message, they are given four options to choose from the list- ‘Shut Down,’ ‘Restart,’ SaveLog,’ and ‘View Log.’ Unfortunately, shut down and restart would not help with the system arrive at the same notification window every time. Thus, it is started what appears to be an endless loop. Users still have some options at their disposal, though, so you can take a look at the recommendation below.
Reboot the Mac Using Safe Mode
Safe mode starts the system with only the bare minimum of functions and services eliminating the risk of interference from additional applications or extensions. At the same time, it also attempts to repair potential disk problems via the Disk Utility’s First Aid service. The cache and other temporary files that may have piled on the system will be deleted. As such, Safe Mode is a good starting point when dealing with the ‘The macOS installation couldn’t be completed’ issue. The specific process for starting Safe Mode differs, depending on whether the user’s Mac is equipped with an Intel or Apple (M1) CPU.
How To Use Safe Mode For Intel-based Macs
- First of all, Shut down the Mac and wait for at least 10 to 20 seconds.
- Reboot the system while holding the shift key firmly on the keyboard
- Then you will get the four option
- Press the login window when you see it
- Login by entering your passwords
- Lastly, you will see the safe boot displayed at the top corner of the current login window.
Steps For Applying Safe modes on M1 Mac
- You should shut down the device
- Press and hold the on button
- Whenever the startup options appear on the screen
- The user has to select the disk
- Press and hold the shift key on the keyboard before you press the continue in safe mode option. Then release the shift key when needed
- Finally, Enter your passwords
Reboot the Mac in Recovery Mode
If Safe Mode failed to address the issue, then the next step is to try booting the system in Recovery mode and running the First Aid service. As a last resort, you may need to reinstall the entire macOS device from the Recovery partition.
- First, Shut down the system.
- Hold and Press Command+R on your keyboard and then start the Mac.
- From the available macOS utilities, select Disk Utility.
- Now, select First Aid and confirm your decision to run it.
- You have to wait for the service of the disk because the scanning process is going on after the user has to attempt to fix any of the potential required
- When it is finished properly, then restart the system.
- When it is finished properly, then restart the system.