HP (Hewlett-Packard) H3D90USABA Personal Computer User Manual


 
4.
Press straight down on the two green thumb tabs inside the chassis (1) and rotate the expansion
card retention latch up (2).
Figure 6-8 Opening the Expansion Slot Retainer
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. Lift the expansion slot cover from the expansion slot.
Figure 6-9 Removing an Expansion Slot Cover
Expansion Card
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