You will then learn about the various startup shortcuts and diagnostic modes that work with Mac systems and OS X. You will also explore the various OS X sleep modes, log out, and system shut down. You will identify the essential files and processes required to successfully start up OS X. This lesson focuses on the process that your Mac goes through from the moment you press the power button until you ultimately reach the Finder. It’s important to properly diagnose startup issues so you can get the Mac up and running, or at least try to recover data. But the system startup process can fail due to many issues that probably won’t result in any user data loss. Novice users may assume that if their Mac computers won’t start up, they will lose important documents.
However, when things do go wrong during system startup, users often fear the worst. Obviously, users appreciate a quick startup, but most aren’t aware of what goes on during system startup because their Mac computers usually work properly. When things work correctly, the startup process often takes under 30 seconds. Apple has improved startup and runtime processes with every revision of OS X. System startup certainly isn’t the most glamorous part of OS X, but it’s clearly important and technically quite impressive. Troubleshoot the processes used at startup and login Learn about the various startup modes used by OS X Apple Pro Training Series: OS X Support Essentials 10.9: Supporting and Troubleshooting OS X MavericksĮxamine essential files and processes required to successfully start up
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