Lenovo M58e Hardware Maintenance Manual - Page 99
Notes, Position the new heat sink and fan assembly on the microprocessor so that
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5. Remove the four screws 1 that secure the heat sink and fan assembly to the system board. 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. 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 tightening each screw a small and equal amount until the heat sink and fan assembly is secured to the system board. Do not over-tighten the screws. 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 120. Chapter 8. Replacing FRUs - Tamdhu Computers 93