![](/images/new-backgrounds/1102778/102778171x1.webp)
3. Remove the memory module being replaced by opening the retaining clips as shown.
4.Position the new memory module over the memory connector. Make sure the notch 1 on the memory aligns correctly with the connector key 2 on the system board. Push the memory module straight down into the connector until the retaining clips close.
5. Go to "Completing the FRU replacement" on page 91.
Replacing a PCI adapter card
Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support
This section provides information on how to remove and replace a PCI adapter card.
To remove or replace a PCI adapter card, do the following:
1.Remove the computer cover. See "Removing the cover" on page 68.
2.At the rear of the computer, press the release button 1 to open the adapter latch slot cover.
2
and remove the