Lenovo ThinkCentre 3656 Hardware Maintenance Manual page 87

3. Remove the adapter from its static-protective package.
4. Install the new adapter into the same adapter connector.
5. Ensure the adapter is fully seated into the adapter connector.
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Chapter 8 Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9623, 9625, 9705, 9786, 9795, 9935, 9946, 9953)