HP Compaq nx5000 series Maintenance And Service Manual page 133

5. Spread the retaining tabs 1 that secure the memory module
to the socket. The module rises up.
6. Pull the module 2 away from the socket at a 45-degree angle.
Removing a Memory Module
Reverse the above procedure to install a memory module.
Maintenance and Service Guide
Removal and Replacement Procedures
5–25