HP Compaq NC6110 Maintenance And Service Manual page 119

6. Spread the retaining tabs 1 on each side of the memory
module socket to release the memory module. (The edge of
the module opposite the socket rises away from
the computer.)
7. Slide the module 2 away from the socket at an angle.
8. Remove the memory module.
✎
Memory modules are designed with notches 3 to prevent
incorrect installation into the memory module socket.
Removing the Memory Module
Reverse the above procedure to install a memory module.
Maintenance and Service Guide
Removal and Replacement Procedures
6–13