Lenovo 3980 - Manual (Page 92)

5. If there is a computer cable lock available, lock the computer.
6. Reconnect the external cables and power cords to the computer.
7. To update your configuration, refer to Chapter 6 “Using the Setup Utility” on page 41.
Note: In most areas of the world, Lenovo requires the return of the defective CRUs. Information about this
will come with the CRUs or will come a few days after you received the CRUs.
86 Hardware Maintenance Manual