Dell PP04S Owner's Manual page 104

If you are replacing a memory module, remove the existing module.
8
NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts.
Ground yourself by touching a metal connector on the back of the computer. Continue to ground
yourself periodically during this procedure.
a
b
104 Adding and Replacing Pa rts
Use your fingertips to carefully spread apart the securing clips on each end of the
memory module connector until the module pops up.
Remove the module from the connector.
memory module
securing clip (2)