HP Pro 3330 Microtower Maintenance & Service Manual page 121

To remove, replace, or add an expansion card:
1. Prepare the computer for disassembly
2. Remove the access panel
3. Locate the correct vacant expansion socket on the system board and the corresponding
expansion slot on the back of the computer chassis.
4. Release the slot cover bracket by removing the screw that secures the bracket, and then lifting
the bracket off the computer.
Figure 8-10 Opening the expansion slot bracket
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.
a. If you are installing an expansion card in a vacant socket, remove the appropriate
expansion slot cover on the back of the chassis. Pull the slot cover straight up then away
from the inside of the chassis.
(Preparation for Disassembly on page
(Access Panel on page 102).
101).
Expansion Card 111