HP Notebook Series Hardware Manual page 146

To insert a memory module:
a. Align the keyed (notched) edge of the module with the
b. From a 45-degree angle, press the module into the slot
c. Press the module down until the retention clips snap
Inserting a memory module
Hardware Guide
keyed area in the expansion slot 1.
until it is seated 2.
into place.
Hardware Upgrades
8–17