Maintenance and Service Guide HP ProDesk 400 G1 Microtower HP ProDesk 480 G1 Microtower HP ProDesk 490 G1 Microtower HP ProDesk 400 G1 Small Form Factor

3. Remove the screw that holds down the expansion card retention latch (1) then slide the latch up
(2) and pull it off the rear of the chassis (3).
4. Locate the correct vacant expansion socket on the system board and the corresponding expansion
slot on the back of the computer chassis.
5. Before installing an expansion card, remove the expansion slot cover or the existing expansion
card.
NOTE: Before removing an installed expansion card, disconnect any cables that may be
attached to the expansion card.
52 Chapter 5 Removal and replacement procedures: Microtower