14. Remove one of following power supplies:
• Non-hot-plug power supply
•
Hot-plug power supply
15. Allow the existing heatsink to cool.
16. Remove the heatsink:
CAUTION: To prevent mechanical damage or depositing oil on your hands or other contaminant to the
heatsink contact surface, hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins.
CAUTION: Heatsink screws must be tightened and loosened in alternating sequence. Do not overtighten the
screws as this might damage the system board or the processor socket.
a. Use a T-20 Torx screwdriver to loosen the captive screws in the sequence specified on the heatsink label.
b. Lift the heatsink away from the system board.
c.
Place the heatsink on a flat work surface with its contact side facing upward.
17.
Use an alcohol wipe to remove the existing thermal grease from the heatsink.
Allow the alcohol to evaporate before continuing.
18. Use a T-20 Torx screwdriver to loosen the three captive screws in the sequence shown in the following image, and
then pivot the force frame upward.
Removal and replacement procedures
97
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