HP Z400 Maintenance And Service Manual page 137

4.
Remove the expansion card support, if installed. Some workstation models use a bar support;
remove the two screws (1) and lift up on the support (2).
Figure 5-49
Other workstation models use a hold down clamp; grasp the top of the clamp (1), squeeze the
release handles until the bottom of the clamp releases from the clamp rail (2) (it should click when
it releases), and swing the clamp out from the back panel (3).
Figure 5-50
5. Remove all cables connected to the expansion card.
ENWW
Removing expansion card support
Removing expansion card clamp
Removing and installing components
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