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Why to Do It:

Virtually all Macs provide a way for you to add or replace memory to the appropriate slots on the Mac's logic board. Most of Apple's desktop machines (such as the Power Mac G3 and G4) similarly include the ability to add PCI cards or upgrade the processor. Unlike certain other "repairs," these components are so easy to access (at least on most Mac models), that users typically do these jobs themselves. This Fix-It focuses on troubleshooting issues involving these components: when you need to add or replace one of them, and what could go wrong when you do. This Fix-It will also cover certain other problems with the logic board itself and its other major components (such as the power supply).

This Fix-It also covers some general hardware troubleshooting advice. For more specific help with other hardware, such as modems, drives, monitors, keyboards and mice: check other parts of this book (especially Chapters 5, 10 and 11 and Fix-It #14).


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