Lenovo s200 Hardware Maintenance Manual page 114

1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 82.
3. Remove the memory module. See "Replacing the memory module" on page 97.
4. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 98.
5. Remove the PCI Express card. See "Replacing the PCI Express card" on page 100.
6. Remove the Wi-Fi card. See "Replacing the Wi-Fi card" on page 102.
7. Record the cable routing and cable connections, and then disconnect all cables from the system board.
See "Parts on the system board" on page 34.
8. Remove the five screws that secure the system board, and then carefully lift the system board out of
the chassis.
Note: Carefully handle the system board by its edges.
Figure 52. Removing the five screws that secure the system board
9. To install the new system board, align the five screw holes in the system board with the corresponding
holes in the chassis. Then, install the five screws to secure the system board to the chassis.
10. Route all the cables that you disconnected from the system board, and then connect the cables to the
system board. See "Parts on the system board" on page 34.
11. Install the Wi-Fi card. See "Replacing the Wi-Fi card" on page 102.
12. Install the PCI Express card. See "Replacing the PCI Express card" on page 100.
13. Install the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 98.
14. Install the memory modules. See "Replacing the memory module" on page 97.
15. Install the computer cover. See "Completing the parts replacement" on page 109.
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Lenovo S200 Hardware Maintenance Manual