Lenovo S500z Hardware Maintenance Manual page 106

7. Loosen the seven screws
remove the screw
Note: Carefully loosen the seven screws
system board. The seven screws cannot be removed from the heat sink.
Figure 35. Removing the heat sink
8. Lift the failing heat sink to remove it from the chassis.
Note: Do not touch the thermal grease while handling the heat sink.
9. Position the new heat sink on the chassis so that the eight screws are aligned with the holes in the
system board and chassis.
10. Tighten the screws
the new heat sink to the chassis. Do not over-tighten the screws.
Figure 36. Installing the heat sink
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 115.
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Lenovo S500z Hardware Maintenance Manual
1 that secure the heat sink to the system board in alphabetic order. Then,
2 that secures the heat sink to the chassis.
1
1 to secure the heat sink to the system board. Then, install the screw
from the system board to avoid any possible damage to the
2 to secure