Lenovo RD540 manual Removing the screws that secure the system board

13.Remove the heat sink(s) and place them on a clean, flat, and static-protective surface. See “Installing or replacing a heat sink” on page 104.

14.Disconnect all cables from the system board. Then, remove the ten screws that secure the system board following the recommended numerical sequence as shown.

Note: The screws 9 and 10 are different from the other eight screws. Reinstall the two screws to the same positions after you install the new system board.

Figure 118. Removing the screws that secure the system board

148ThinkServer RD540 User Guide and Hardware Maintenance Manual