Preventing Hardware Problems
Whenever you add hardware devices to your computer, the possibility exists that a problem will occur. Problems can fall into several categories: The device doesn't work, the device doesn't work the way you expect, or the computer refuses to boot. Apple's built-in management systems make hardware problems a rare event. However, a few careful steps on your part can help to make problems almost non-existent.
Check for hardware device compatibility
Not all hardware devices are compatible with your particular version of Macintosh. For example, you could purchase a video driver board, which works fine in a G3 or G4 model, but won't function in a G5. Make sure the user's manual lists your model of Macintosh.
Check for software ...
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