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Lenovo Y520-15IKBM
Figure 7. Removal steps of heat sink (continued)
a
b
When installing:
Before you attach the heat sink assembly to the computer,
apply thermal grease, at an amount of 0.2 grams, to the parts shown in
the figure above. Either too much or too little grease application can cause a
thermal problem due to imperfect contact with a component.
