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Removing the Computer Cover

Dell™ OptiPlex™ SX280 User's Guide

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

1. Follow the procedures in "Before You Begin."
   
   

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

2. Remove the computer cover.
   
   
   1. Rotate the cover release knob in a clockwise direction, as shown in the illustration.
      
      
   2. Slide the computer cover forward 1/2 inch (1 cm), or until it stops, and then raise the cover.

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