Dell OptiPlex 740 - Manual (Page 147)

Removing a PS/2 Serial Port Adapter
1. Follow the procedures in Before You Begin .
2. Gently lift the release tab on the card retention latch from the inside and pivot the latch open.
3. Disconnect the PS/2 serial port cable from the system board (see System Board Components ).
4. Grasp the PS/2 serial port adapter bracket by its top corners, and ease it out of its connector.
5. If you are removing the adapter permanently, install a filler bracket in the empty card-slot opening.
6. Before you close the card retention mechanism, ensure that:
l The tops of all cards and filler brackets are flush with the alignment bar.
l The notch in the top of the card or filler bracket fits around the alignment guide.
7. Secure any remaining card(s) by closing the card retention latch and snapping it into place.
8. Replace the computer cover (see Replacing the Computer Cover ).
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NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust
and dirt out of your computer.