6. Lift the failing heat sink and fan assembly off the system board.
Notes:
a. You might have to gently twist the heat sink and fan assembly to free it
from the microprocessor.
b. Do not touch the thermal grease while handling the heat sink and fan
assembly.
7. Position the new heat sink and fan assembly on the microprocessor so that the
four screws are aligned with the holes on the system board.
Note: Position the new heat sink and fan assembly so that the heat sink and
fan assembly cable is toward the microprocessor fan connector on the
system board.
8. Alternate rotating each screw in the opposite direction indicated by the arrows
on the screw head, until the heat sink and fan assembly is secured to the
system board.
9. Connect the heat sink and fan assembly cable to the microprocessor fan
connector on the system board.
10. Go to “Completing the FRU replacement” on page 107.
98 Lenovo E200 Hardware Maintenance Manual