Lenovo ThinkCentre 8289 Hardware Replacement Manual page 29

3. Pivot the adapter latch to release the adapter.
4. Remove the adapter being replaced from the PCI riser.
5. Remove the new adapter from its static-protective package.
6. Install the new adapter into the appropriate connector into the PCI riser.
7. Ensure the adapter is fully seated into the adapter connector.
8. Pivot the adapter latch to the closed position to secure the adapters.
9. Reinstall the PCI riser and adapters.
10. Go to "Completing the CRU replacement" on page 32.
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Chapter 2. Replacing hardware