Since installing the card requires it be installed inside of the computer, it is now necessary to open up the case. The method for getting to the interior of the case will vary depending upon the case in question. Most new cases use a door or panel that can be removed, but older cases may require that the whole cover be removed. Be sure to unscrew the cover or panel and set aside the screws in a safe place.
Installing an AGP Graphics Card
By Mark Kyrnin, About.com Guide
Explore PC Hardware / Reviews
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