Dell OptiPlex 740 - Manual (Page 103)

1. Follow the procedures in Before You Begin .
2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position.
3. Disconnect the PS/2 serial adapter cable from the system board (see System Board Components ).
4. If necessary, disconnect any external cables connected to the adapter.
5. Grasp the PS/2 serial-port adapter bracket by its top corners, and ease it out of its retention slot.
6. If you are removing the adapter permanently, install a filler bracket in the empty card-slot opening.
7. 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.
8. Secure the card(s) by closing the card retention latch and snapping it into place.
9. Replace the computer cover (see Replacing the Computer Cover ).
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1 card retention latch 2 alignment guide
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.