Replacing the Memory Module(s)
memory module in the connector labeled "DIMM A" before you install a memory
module in the connector labeled "DIMM B."
1 Follow the instructions in "Before You Begin" on page 9.
2 Align the notch in the memory module with the tab in the
3 Slide the memory module firmly into the slot at a 45-degree angle, and
press the memory module down until it clicks into place. If you do not hear
the click, remove the memory module and reinstall it.
If the memory module is not installed properly, the computer may not boot.
If you need to install memory modules in two connectors, install a
securing clips (2)