HP dx7400 - Microtower PC Service & Reference Manual page 112

6. Hold the expansion card just above the expansion socket on the system board then move the card
toward the rear of the chassis so that the bottom of the bracket on the card slides into the small
slot on the chassis. Press the card straight down into the expansion socket on the system board.
NOTE:
seats properly in the expansion card slot.
7. While holding the expansion card bracket against the chassis, rotate the slot cover lock over the
expansion card brackets and slot covers. Push the slot cover lock down to latch it and secure the
card brackets.
8. Connect external cables to the installed card, if needed. Connect internal cables to the system
board, if needed.
102 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
When installing an expansion card, press firmly on the card so that the whole connector