Chances are, you were using Mac OS X even before you bought this book, since few Macs sold in the past few years can boot into anything else.
And even if you own an older Mac, the fact that you're reading this volume means you've probably already installed Mac OS X on it!
This is important because the disk may be hanging on by a thread and the most basic procedure may lose the drive and data forever.
For all of these occasions, this chapter explains what needs to be done (and why) and offers solutions to a variety of potential problems.
I start off by providing background information on installing Mac OS X for the first time, moving on to give more general information about installing, reinstalling, and restoring Mac OS X software.
WARNING TO THE BRAVE SOULS UPGRADING TO APPLE'S NEW 10.10.0 YOSEMITE OR ANY NEW "BLEEDING-EDGE" OPERATING SYSTEM APP OR HARDWARE...There are good reasons professionals and experienced users avoid brand new Operating Systems and .0 upgrades, but if you must be on "The Bleeding Edge" consider my free advice for what it may be worth to you: Tips for backing up, buying, installing, creating an install DVD, reverting back to what works....For that reason, I provided an overview of Mac OS X (in Chapter 2) this description of how to install the operating system, believing that most of you are already up and running in Mac OS X.Even if that's the case, though, you may someday be called upon to install Mac OS X on an older Mac that's still running Mac OS 9.
CORRUPTION | BACKUP | FREE UNUSED SPACE | DEFRAG | VIRUSES | SPARE USER ACCOUNT | PREFERENCES | SAFE BOOT | DISK UTILITY REPAIR PERMISSIONS | DISK UTILITY REPAIR DISK | DISK WARRIOR | MAC CLEANER APPS (Slow Mac) | FSCK | CRON SCRIPTS | COMBO UPDATES | FAQ-TIPS | TIME MACHINE-CLONING | STARTING OVER | NEW TO MAC LINKSWhen Mac a computer starts running slow or acting flaky unstable, crashing, freezing or generally misbehaving it's a corruption issue 98 percent of the time (unless we've recently done something to it, and there is 98 percent of our clue).FIRST, before we start any troubleshooting or System or hard drive maintenance procedures, it is important that we BACK UP OUR DATA to other drives or CD or DVD media.