HP Compaq dx6050 MT Reference Manual page 156

Removal and Replacement Procedures— Desktop (DT) Chassis
11. Slide the bracket on the end of the expansion card down into the slot on the back of the
chassis 1 and press the card down firmly into the socket on the system board 2.
When you install an expansion card, make sure you press firmly on the card so that the whole
connector seats properly in the expansion card socket on the system board.
12. Close the expansion slot retention bracket by rotating it toward the chassis 1 and pressing
down on the thumb tabs 2 so that they snap firmly into place.
13. Connect external cables to the installed card and internal cables to the system board as
needed.
14. Replace the computer cover.
8–14 319865-008 Service Reference Guide, d300, dx6050