5.Remove any parts that might prevent access to the memory slots.
6.Open the retaining clips.
Figure 8. Opening the retaining clips
If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot.
Figure 9. Removing a memory module
7.Position the new memory module over the memory slot. Make sure that the notch 1 on the memory module aligns correctly with the slot key 2 on the system board. Push the memory module straight down into the slot until the retaining clips close.
14ThinkCentre User Guide
