Lenovo 41X8111 - Manual (Page 18)

This section provides instructions on how to replace a PCI adapter.
1. Remove the computer cover. See “Removing the cover” on page 7.
2. Remove the screw securing the adapter in the connector.
3. Remove the adapter being replaced.
4. Remove the new adapter from its static-protective package.
5. Install the new adapter into the appropriate slot on the system board.
6. Install the screw to secure the new adapter.
7. Go to “Completing the parts replacement” on page 12.
10 Hardware Replacement Guide