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Lenovo ideapad 520 Hardware Maintenance Manual
Figure 7. Removal steps of fan and heat sink assembly (continued)
Lift the heat sink in the direction shown by arrows 2.
Attention: Do not handle the heat sink assembly roughly. Improper handling
can cause distortion or deformation and imperfect contact with components.
When installing:
Before you attach the fan assembly to the computer, apply thermal grease,
at an amount of 0.2 grams, to the
and
parts shown in the figure above.
a
b
Either too much or too little grease application can cause a thermal problem
due to imperfect contact with a component.
44
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