Lenovo C315 All-In-One - Manual (Page 74)

Chapter 7. Replacing hardware
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Completing the installation
After replacing the parts, you need to install the computer cover and
reconnect cables, including wired internet and power cords. Also,
depending on the parts replaced, you might need to confirm the updated
information in the Setup Utility program. Refer to Starting the Setup
Utility in the User Guide or in the Hardware Maintenance Manual.
1. Ensure that all components have been reassembled correctly and
that no tools or loose screws are left inside your computer. Refer to
“Locating components and connectors” for the location of the various
components.
2. Make sure that the cables are routed correctly before replacing the
computer cover.
Attention
Keep cables clear of the hinges, sides of the computer chassis.
3. Position the computer cover on the chassis so that the tabs on the
cover align with the slots of the chassis.