Dell Dimension 5150 Owner's Manual page 70

3 Press out the securing clip at each end of the memory module connector.
memory connector closest to processor
securing clips (2)
connector
4 Align the notch on the bottom of the module with the crossbar in the connector.
notch
memory module
cutouts (2)
crossbar
NOTICE:
To avoid damage to the memory module, press the module straight down into the connector while you
apply equal force to each end of the module.
70
Removing and Installing Parts