HP ProSignia 120 Maintenance And Service Manual page 90

To install a memory board, complete the following steps:
1. Insert the memory board 1 into the memory slot.
2. Pivot the memory board toward the computer 2 so that it lays flat in the memory
compartment.
3. Insert the memory board firmly into place to seat the connections and to engage the
locking tabs.
Figure 5-17. Installing the Memory Board
Removal and Replacement Procedures 5-19