Lenovo C315 All-In-One - Manual (Page 75)

Hardware Maintenance Manual
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4. Carefully install the cover as shown, until it securely snaps into place.
5. Install and tighten the six screws on the chassis.
6. Reconnect the external cables and power cords into the computer.
Refer to “Locating components and connectors” .
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.