Mac OS X Snow Leopard: The Missing Manual

Chapter 9. System Preferences

The hub of Mac customization is System Preferences, the modern-day successor to the old Control Panel (Windows) or Control Panels (previous Mac systems). Some of its panels are extremely important, because their settings determine whether or not you can connect to a network or go online to exchange email. Others handle the more cosmetic aspects of customizing Mac OS X.

This chapter guides you through the entire System Preferences program, panel by panel.

Tip

Only a system administrator (Administrator accounts) can change settings that affect everyone who shares a certain machine: its Internet settings, Energy Saver settings, and so on. If you see a bunch of controls that are dimmed and unavailable, now you know why.

A tiny padlock in the lower-left corner of a panel is the other telltale sign. If you, a nonadministrator, would like to edit some settings, then call an administrator over to your Mac and ask him to click the lock, input his password, and supervise your tweaks.

The System Preferences Window

You can open System Preferences in dozens of ways:

• Choose its name from the menu.

• Click its icon in the Dock.

• Press Option-volume key (, , or on the top row of the ...