HP Pavilion dv3-2202tu Entertainment Notebook PC - Manual (Page 109)

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.
11. Align the tabs (1) on the memory module compartment cover with the notches on the computer.
NOTE: If you removed a memory module from the expansion memory slot before removing the
primary memory module, replace the memory module in the expansion memory module slot.
12. Close the cover (2).
13. Tighten the 3 memory module compartment cover screws (3).
14. Replace the battery.
15. Turn the computer right-side up, and then reconnect external power and external devices.
16. Turn on the computer.
Adding or replacing memory modules 99