Dell OptiPlex 790 (Early 2011) - Manual (Page 45)

Installing the Input/Output Panel
1. Insert the Input/Output panel into the slot on the chassis front.
2. Slide the Input/Output panel towards the right of the computer to secure to
the chassis.
3. Tighten the single screw to secure the Input/Output panel to the chassis.
4. Thread the Input/Output panel or the FlyWire cable into the chassis clip.
5. Connect the Input/Output panel or the FlyWire cable to the system board.
6. Install the
front bezel .
7. Install the cover .
8. Follow the procedures in After Working Inside Your Computer .
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