1. HOW TO FIX MACOS INSTALLATION PROBLEM ON YOUR COMPUTER?

2. Here are some of the best tips that can help you to troubleshoot the problem on your own. Make sure, that your mac’s clock is correct before proceeding with the methods below- Reset NVRAM: Firstly, shut down your Mac. Press and hold four key Option, Command, P, and R altogether immediately after turning your Mac. Release the keys after few seconds, when your Mac restarts. Now, launch the “System Preferences” and check any settings that reset, such as volume, display resolution, startup disk selection, or time zone.

3. CHECK STORAGE: The other step that can help you to fix the problem is to check the storage space available on your MacBook/Mac to complete the installation of macOS. If there is not enough space on your MacBook or Mac, then the installation will not get complete at any cost. There are some Apple’s guidelines that can assist you to recover some space to install the update.

4. FIX MAC OS INSTALLATION PROBLEM IN RECOVERY MODE: Press and hold Command + R keys together to get to the recovery mode on your Mac or MacBook when you boot up your computer. Now, you need to click on the Apple logo located on the top left corner of the screen. Ensure that your startup disk is pointing to the Mac Boot disk. Once completing the above process, find the macOS update program and run the update