Lenovo ThinkCentre 6416 Maintenance Manual page 110

4. If a cover lock is installed, lock the cover.
5. Reconnect the external cables and power cords to the computer. See
6. To update your configuration, see Chapter 6, "Using the Setup Utility," on page
104
Hardware Maintenance Manual
"Connectors on the rear of the computer" on page 81.
49.