HP xw4400 Service And Technical Reference Manual page 89

If removing another type of PCI Express card, lift the card out of the chassis. You do not need to
press in on the "hockey stick" lever.
4. Install a PCI slot cover and close the PCI levers. If the PCI levers do not close, be sure all cards
are properly seated and then try again.
Figure 4-23
To install a PCI Express card:
1. Disconnect power from the system
access panel
on page
2. Lift the PCI levers 1 by first pressing down and then up.
3. Remove the PCI slot cover 2.
4. Lower the PCI 3 card into the chassis. Verify that the keyed components of the card align with the
socket.
ENWW
Removing the PCI Express card
(Side access panel on page
77), if installed.
(Predisassembly procedures on page
66), and remove the PCI retainer
Steps for removal and replacement of components
60), remove the side
(PCI retainer
79