Part V
The Care and Feeding of El Capitan
Read the article on installing and reinstalling OS X El Capitan at www.dummies.com/extras/osxelcapitan.
In this part …
Protecting your valuable data by backing it up
The little bit you need to know about Macintosh security
Utilities you might or might not find useful (but ones you should know about just the same)
Dr. Mac’s prescription: What to do when things go wonky (which also, thankfully, doesn’t happen very much)
The doctor’s top troubleshooting tips for a good El Capitan gone bad
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