Post-Requisites - Dell XPS 8900 Service Manual

2 Insert the memory module into the memory-module slot, and press the
memory module down until it snaps into position and the securing clips
lock in place.
NOTE: If you do not hear the click, remove the memory module
and reinstall it.
1 securing clips (2)
3 memory-module slot

Post-requisites

Replace the computer cover.
2 memory module
4 notch
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