HP ProDesk 405 G4 Small Form Factor Maintenance And Service Manual page 36

5. To remove a memory module, open both latches of the memory module socket (1), and then remove
the memory module from the socket (2).
6. To install a memory module, open both latches of the memory module socket (1), and insert the memory
module into the socket (2).
NOTE:
on the memory socket.
Populate the black DIMM sockets before the white DIMM sockets.
For maximum performance, populate the sockets so that the memory capacity is spread as equally as
possible between Channel A and Channel B.
7. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Be
sure the latches are in the closed position (3).
8. Repeat step 7 to install any additional modules.
9. Reassemble the computer.
The computer should automatically recognize the additional memory the next time you turn on the computer.
26 Chapter 4 Removal and replacement procedures
A memory module can be installed in only one way. Match the notch on the module with the tab