Lenovo Legion Y530-15ICH Upper Case with Keyboard Replacement

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Remove the fans

Unplug the fan connectors in the direction shown by the arrows. The connectors are similar to the speaker connector, so use the same method here.
Remove the 4 M2.0 x 5.0 mm screws
Lift the fans up and out of the laptop
At this point, you can perform fan and heatsink cleaning by using a paint brush with long bristles and/or compressed air. A soft, large brush will work well here and allow you to perfectly clean your fans. Be careful not to apply too much pressure to the fan blades, however.

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