Lesson 30. System Troubleshooting

Goals

• Learn about the various startup modes used by OS X

• Troubleshoot the processes used at startup and login

As covered by the previous lesson, the OS X system startup routine is often trouble-free and usually completed in under a minute. However, when things do go wrong during system startup, users often fear the worst. Novice users may assume that if their Macs won’t start up, they will lose important documents. But the system startup process can fail due to many issues that probably won’t result in any user data loss. It’s important to properly diagnose startup issues so you can get the Mac up and running, or at least try to recover data.

This lesson builds on knowledge gained in the previous lesson, ...

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