Apple MacBook Air (Late 2008), (Mid 2009) - Manual (Page 40)

40 Chapter 3 Problem, Meet Solution
Occasionally you may have a problem while working with your MacBook Air. Read on
to find some solutions to try when you have a problem. You can also find more
troubleshooting information in Mac Help and on the MacBook Air Support website at
www.apple.com/support/macbookair.
If you experience a problem with your MacBook Air, there’s usually a simple and quick
solution. Think about the conditions that led up to the problem. Making a note of
things you did before the problem occurred will help you narrow down possible causes
and find the answers you need. Things to note include:
 The applications you were using when the problem occurred. Problems that occur
only with a specific application might indicate that the application is not compatible
with the version of the Mac OS installed on your computer.
 Any new software that you installed, especially software that added items to the
System folder.
Problems That Prevent You from Using Your MacBook Air
If your MacBook Air doesn’t respond or the pointer doesn’t move
On rare occasions, an application might “freeze” on the screen. Mac OS X provides a
way to quit a frozen application without restarting your computer.
To force an application to quit:
1 Press Command (x)-Option-Esc or choose Apple () > Force Quit from the menu bar.
The Force Quit Applications dialog appears with the application selected.
2 Click Force Quit.
The application quits, leaving all other applications open.