HP DX2000 - Manual (Page 49)

Service Reference Guide, dx2000 uT 359782-002 6–7
Removal and Replacement Procedures— Microtower (µT) Chassis
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A memory module can be installed in only one way. Match the notch on the module with the tab
on the memory socket.
5. Push the module down into the socket, ensuring that the module is fully inserted and
properly seated. Make sure the latches are in the closed position 3.
6. Repeat steps 4 and 5 for any additional modules that you want to install.
To reassemble the computer, reverse the removal procedure.