HP Compaq NC4010 Maintenance And Service Manual page 94

Removal and Replacement Procedures
6. Spread the retaining tabs 1 that secure the memory module
to the socket. The board rises up at a 45-degree angle.
7. Pull the board away from the socket at a 45-degree angle 2.
Removing a Memory Module
Reverse the above procedure to install a memory module.
5–14 Maintenance and Service Guide