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Module 1 - Introduction to Computers - Macintosh OS
Lesson 8 - Maintenance and Troubleshooting
Section 3 - Exiting Stalled Application

Exiting Stalled Applications

For the most part, Macintosh computers operate with minimal errors or difficulty.  Occasionally, however, a computer will stop responding. When this happens, it is necessary to exit the application you are using. Occasionally, it is necessary to restart your computer in order to restore normal operating conditions.

To close the stalled application, press the Command, Option, and Escape keys on the keyboard all at the same time.

option command escape

The following dialog box will appear. Make sure you select the application that is not responding and then hit the Force Quit button. If you change your mind you may hit the Close button to close the dialog box.

Force Quit window.

If the Force Quit is successful, the application will close. Unfortunately, if this was the application you were working in you will lose any unsaved changes to your document. (Save Your Work OFTEN). After the application closes, it is a good idea to restart your computer.

If the Force Quit is not successful hold down the power button until the computer shuts down. 

 
Module 1 Lesson 8 Section 2 Mac
Module 1 Lesson 8 Section 4 Mac

 

 
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Updated: 07/31/2002
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