Lenovo IdeaCentre D400 Series Hardware Maintenance Manual page 58

Hardware Maintenance Manual
3. Replace the cover.
(1) Position the cover on the home center chassis so that the tabs on the
cover align with the slots on the chassis, then slide the cover toward the
front of the chassis until it is fully closed.
(2) Install and tighten the three screws on the cover.
4. Reconnect the external cables and power cords into the home center.
Note
In most areas of the world, Lenovo requires the return of the defective
CRU. Information about this will come with the CRU or will come a few
days after the CRU arrives.
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