Lesson 23. Basic Troubleshooting
23 GOALS
Use simple troubleshooting techniques
Force quit an application
Understand when and how to restart
Delete a preference file
Do a safe boot
Repair permissions
Check for software updates
Create another user to test software problems
Report crashes to Apple
When things go wrong, here are a few simple troubleshooting techniques you can try.
Force Quit an Application
Sometimes just one application has trouble and you need to force it to quit. There are two ways to force quit any application. This doesn’t affect any other application or the system. If an application isn’t responding to anything you ask it to do, if it’s hung up and the wheel keeps spinning, or it won’t let you quit, then force quit the app. ...
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