Imac 2006 monitor won't display properly

The left half of my monitor is fuzzy and black on my 2006 imac. I have a cable to connect an external monitor. How do I get the external monitor to work properly. Right now when I plug in the external monitor, all I can see is when I move the mouse left to right (and off the imac monitor, it continues onto the external monitor. I am a beginner with all this.

Open System Preferences, click on Display, click Detect Displays, select your external display, and check the box for Mirror the Internal Display. That should make the external display what the internal display is supposed to show.
You might have to fiddle with Resolutions to get the external display to appear properly (if at all, because it is probably a bad logic board or graphic processor, which will make external display not work properly, and is a very expensive repair).
Good luck.

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Hi everyone!
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No luck unfortunately.
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* Test.java
* Created on January 13, 2007, 6:52 PM
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
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import java.util.*;
* @author Calbrenar
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Imac 2006 monitor won't display properly

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