HP Rp5700 - Point of Sale System Hardware Reference Manual page 27

8. Remove the expansion slot cover or the existing 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 out of the chassis.
Figure 2-13
b. If you are replacing an existing expansion card, carefully rock the existing card back and forth
until the connectors pull free from the socket. Pull the expansion card straight up from the
socket to release it from the chassis frame. Be sure not to scrape the card against the other
components.
Figure 2-14
9. Store the removed card in anti-static packaging.
10. If you are not installing a new expansion card, install an expansion slot cover to close the open
slot.
ENWW
Removing an Expansion Slot Cover
Removing a PCI Express x1 Expansion Card
Removing or Installing an Expansion Card 21