HP Compaq Presario,Presario R4000 Hardware And Software Manual page 119

Memory Modules
9. To close the expansion memory module compartment:
a. Align the tabs on the expansion memory module
b. Tilt the cover downward until it is seated 2.
10. To secure the expansion memory module compartment cover,
reinsert and then tighten the screw that secures the cover to
the notebook 3.
11. Replace the battery pack, reconnect the notebook to external
power, and then turn on the notebook.
8–6
compartment cover with the cover slots
on the notebook 1.
Hardware and Software Guide