User Guide

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Dell™ OptiPlex™ 745 User's Guide

  Removing the Computer Cover

Removing the Computer Cover

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

NOTICE: 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. If applicable, remove the cable cover, (see Cable Cover (Optional)).
   
   
3. 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 by 1 cm (½ inch), or until it stops, and then raise the cover.
      
      

CAUTION: Graphic card heatsinks can become very hot during normal operation. Ensure that a graphic card heatsink has had sufficient time to cool before you touch it.

1	release knob

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