HP Compaq dx6050 MT Reference Manual page 154

Removal and Replacement Procedures— Desktop (DT) Chassis
7. If you are removing an expansion card from a standard expansion socket, hold the card at
each end and carefully rock it back and forth until the connectors pull free from the socket.
Lift the expansion card straight up 1 then pull it in toward the center of the chassis 2 to
release it from the chassis frame. Be sure not to scrape the card against other components.
Before removing an installed expansion card, disconnect any cables that may be attached to the
expansion card.
8–12 319865-008 Service Reference Guide, d300, dx6050