Lenovo 10A2 User Manual page 78

7. Follow the following sequence to remove the four screws that secure the heat sink and fan assembly
to the system board:
a. Partially remove the screw
b. Partially remove the screw
Note: Carefully remove the four screws from the system board to avoid any possible damage to the
system board. The four screws cannot be removed from the heat sink and fan assembly.
Figure 61. Removing the heat sink and fan assembly
8. Lift the heat sink and fan assembly off the system board.
Notes:
• You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.
• Do not touch the thermal grease while handling the heat sink and fan assembly.
9. Position the new heat sink and fan assembly on the system board so that the four screws on the new
heat sink and fan assembly are aligned with the corresponding holes on the system board. Ensure that
the cable of the new heat sink and fan assembly faces toward the microprocessor fan connector
on the system board.
10. Follow the following sequence to install the four screws to secure the new heat sink and fan assembly.
Do not over-tighten the screws.
Notes:
a. Partially tighten the screw
b. Partially tighten the screw
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ThinkCentre M83, M93/p User Guide
1 , then fully remove the screw
3 , then fully remove the screw
1 , then fully tighten the screw
3 , then fully tighten the screw
2 , then fully remove the screw
4 , then fully remove the screw
2 , then fully tighten the screw
4 , then fully tighten the screw
1 .
3 .
1 .
3 .