Lesson 28. Troubleshoot Startup and System Issues
Goals
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Describe the macOS startup process
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Examine essential files and processes required to successfully start up
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Learn about macOS startup modes
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Troubleshoot startup and login processes
This lesson focuses on the process that your Mac goes through from the moment you turn your Mac on until your Mac displays the Finder. You identify the essential files and processes required to successfully start up macOS. You also explore macOS sleep modes, logout, and shutdown. You then learn about startup shortcuts and diagnostic modes that work with macOS. Finally, you learn how to troubleshoot system initialization and user session issues.
Reference 28.1 System Initialization and Secure Boot ...
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