HP ProDesk 400 G3 Small Form Factor Maintenance And Service Manual page 31

8. To install a new expansion card, hold the card just above the expansion socket on the system board then
move the card toward the rear of the chassis (1) so that the bracket on the card is aligned with the open
slot on the rear of the chassis. Press the card straight down into the expansion socket on the system
board (2).
NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats
properly in the expansion card socket.
9. Rotate the slot cover retention latch back in place to secure the expansion card.
10. Connect external cables to the installed card, if needed. Connect internal cables to the system board, if
needed.
11. Reconfigure the computer, if necessary.
Expansion card 23