HP ProBook 5220m - Notebook PC User Manual page 100

9. Insert a new memory module:
a. Align the notched edge (1) of the memory module with the tab in the memory module slot.
CAUTION:
edges only. Do not touch the components on the memory module.
b. With the memory module at a 45-degree angle from the surface of the memory module
compartment, press the module (2) into the memory module slot until it is seated.
c. Gently press the memory module (3) down, applying pressure to both the left and right edges
of the memory module, until the retention clips snap into place.
10. Align the tabs on the service access door (1) with the notches in the service access bay.
11. Slide the service access door down (2) until the release latch (3) clicks.
88 Chapter 9 Memory modules
To prevent damage to the memory module, hold the memory module by the