Dell Precision 410 User Manual page 110

release button
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Use the following procedure to replace the computer cover:
Facing the left side of the computer, hold the cover at a slight angle as shown in
Figure 8-3, and then align the top of the cover with the top of the chassis. Hook
the tabs on the cover into the recessed slots on the computer chassis so that the
tabs catch the hooks inside the slots.
Pivot the cover down toward the bottom of the chassis and into position. Make
sure the securing hooks at the bottom of the cover click into place.
Dell Precision 410 Mini Tower Systems User's Guide
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