Apple iMac (27-inch, Late 2009) Specifications download pdf (Page 54)

54 Chapter 4 Problem, Meet Solution

When an Application Doesn’t Respond

On rare occasion, an application may “freeze.” Mac OS X provides a way to quit an

application that’s not responding, without restarting your iMac. Quitting a frozen

application may allow you to save your work in other open applications.

To force an application to quit:

1 Press Command (x)-Option-Esc or choose Apple () > Force Quit.

The Force Quit Applications dialog appears with the application selected.

2 Click Force Quit.

The application quits, leaving all other applications open.

Reinstalling the Software That Came with Your iMac

Use the software installation discs that came with your iMac to reinstall Mac OS X and

any applications that came with your computer. You can choose “Archive and Install,”

which saves your existing files and settings, or “Erase and Install,” which erases all

your data.

Important: Apple recommends that you back up the data on your hard disk before

restoring software. Because the “Erase and Install” option erases your hard disk, you

should back up your essential files before installing Mac OS X and other applications.

Apple is not responsible for any lost data.

Installing Mac OS X

To install Mac OS X:

1 Back up your important files.

2 Insert the Mac OS X Install DVD that came with your computer.

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Apple iMac (27-inch, Late 2009) Specifications Page 54