HP Pavilion dm1-4211nr Entertainment Notebook PC - Manual (Page 54)

6. Insert a new memory module:
CAUTION: To prevent damage to the memory module, hold the memory module by the edges
only. Do not touch the components on the memory module.
a. Align the notched edge (1) of the memory module with the tab in the memory module slot.
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.
44 Chapter 9 Memory modules