Lenovo ThinkPad P1 Gen 7 Fans and Heatsink Assembly Replacement

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Detach the heatsink

Use a Phillips screwdriver to loosen all captive screws securing the heatsink.
Depending on the model, your heatsink will have either three or five screws.
During reassembly, tighten the heatsink screws in ascending order based on the number stamped next to each screw.

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