HP Compaq d330 DT Hardware Reference Manual page 27

Hardware Reference Guide
11. While holding the expansion card bracket against the chassis,
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.
Closing the Expansion Slot Retention Bracket
12. Connect external cables to the installed card, if needed. Connect
internal cables to the system board, if needed.
13. Replace the computer cover.
14. If you normally lock the Smart Cover Lock, use Computer Setup
to relock the lock and enable the Smart Cover Sensor.
15. Reconfigure the computer, if necessary. Refer to the Computer
Setup (F10) Utility Guide on the Documentation Library CD for
instructions about using Computer Setup.
www.hp.com
Hardware Upgrades
2–17