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4If the power switch doesn’t turn off the computer, unplug your Macintosh.
If you suspect that the problem is with other equipment, such as a printer or
an external hard disk that’s attached to your computer, turn that equipment off
for 10 seconds or longer, then turn it on again and restart the Macintosh.
Rebuild your desktop
A process known as “rebuilding the desktop” helps your Macintosh keep
track of data on your startup disks. (Although the hard disk in your computer
is usually the startup disk, you can start up from any other disk that has
system software installed.)
Rebuilding your desktop can solve a number of problems. For example, when
application documents are no longer represented by application-specific icons
(and are instead represented by generic icons on the desktop), rebuilding the
desktop fixes the problem. Afterward, appropriate icons should appear for all
documents.
Some extensions may interfere with rebuilding your desktop. To prevent
problems, you’ll need to turn off all extensions except Macintosh Easy Open
before you rebuild your desktop. When you finish rebuilding the desktop, turn
the extensions you normally use back on.
To rebuild the desktop of a startup disk, follow these steps:
1Save your current set of extensions (those that are on, marked by checkmarks).
a. Open the Extensions Manager control panel by choosing Extensions
Manager from the Control Panels submenu of the Apple () menu.
b. From the Sets pop-up menu, choose Save Set.
c. In the Save Set dialog box, type a name for your set of selected extensions
(for example, “My Extensions”) and click OK. The name of your set is
added to the Sets pop-up menu.
2Choose All Off from the Sets pop-up menu to turn off all extensions.
3Turn on Macintosh Easy Open by clicking it in the list (under Control Panels) so that a
checkmark appears beside it.
4 Restart your computer while holding down the Command (
x
) and Option keys.
Hold down the x and Option keys until you see the dialog box that asks if
you’re sure you want to rebuild your desktop file. When the dialog box
appears, you can release the keys.
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Chapter 6