Completing The Parts Replacement - Lenovo 30CE Hardware Maintenance Manual

d. Install the screws to secure the system board.
Figure 98. Installing the screws to secure the system board
18. Route all the cables that you disconnected from the failing system board, and then reconnect the cables
to the new system board. See "Parts on the system board" on page 32.
19. Reinstall the computer cover and reconnect the cables. For details, see "Completing the parts
replacement" on page 131.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. After you have removed the microprocessor from the failing system board, close the microprocessor
retainer. Then, put the lever to the locked position to secure the retainer in place.
2. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor
socket. Carefully press the other side of the socket cover downward until the socket cover snaps into
position.
3. Carefully check the four corners of the socket cover to ensure that the cover is seated securely.
4. Follow any additional instructions that are included with the replacement part you received.

Completing the parts replacement

CAUTION:
After replacing a CRU, reinstall all protective covers, including the computer cover, before connecting
power and operating the computer. This action is important to help prevent unexpected electrical
shock and help ensure the containment of an unexpected fire that could happen under extremely rare
conditions.
.
Chapter 9 Hardware removal and installation
131