Lenovo H405 Hardware Replacement Manual page 27

To complete the installation:
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"
for the location of the various components.
2. Make sure that the cables are routed correctly before replacing the computer
cover.
3. Position the computer cover on the chassis so that the rail guides on the
bottom of the computer cover engage the rails. Then, push the computer
cover closed until it snaps into position. Screw back the two screws on the
chassis.
4. Reconnect the external cables and power cords to the computer. Refer to
"Locating connectors on the front of the computer" and "Locating connectors
on the rear of the computer".
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.

Hardware Replacement Guide
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