Dell 6400 Owner's Manual page 115

NOTICE:
To prevent damage to the memory module connector, do not use tools to spread the memory-module
securing clips.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically
touching an unpainted metal surface (such as a connector on the back of the computer).
3 If you are replacing a memory module, remove the existing module:
Use your fingertips to carefully spread apart the securing clips on each end of the memory module
a
connector until the module pops up.
Remove the module from the connector.
b
1
1 memory module 2 securing clips
(2 per connector)
Adding and Replacing Parts
2
115