Lenovo B550 Hardware Maintenance Manual page 45

Lenovo B550
Figure 6. Removal steps of fan assembly and heat sink assembly (continued)
Lift the fan assembly and heat sink assembly in the direction shown by arrow .
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Be careful not to damage the connector.
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Attention: Do not handle the heat sink assembly roughly. Improper handling
can cause distortion or deformation and imperfect contact with components.
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