A SERVICE OF

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4. Insert the notched end 2 of the new memory module into the socket 1.
Press the memory module firmly, and pivot the memory module until it snaps
into place. Make sure that the memory module is firmly fixed in the slot and
does not move easily.
5. Go to Chapter 4, “Completing the parts replacement,” on page 31.
Replacing the adapter card
Attention
Do not open your computer or attempt any repair before reading 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 instructions on how to replace the adapter card.
Note:
You need to remove the system board in order to replace the adapter card.
1. Open the computer cover. See “Opening the cover” on page 11.
2. Locate the system board and disconnect all cables connected to the system
board. See “Identifying parts on the system board” on page 9.
Figure 25. Installing the new memory module
Chapter 3. Installing options and replacing hardware 25