Introduction
If your Lenovo IdeaPad 330S-15ARR laptop is overheating, making loud disrupting noises, or just not working, follow this guide for step-by-step instructions on how to replace the fan.
Tools
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Remove the ten 3.3 mm screws securing the back panel using a Phillips #00 screwdriver.
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Use a Jimmy or your fingernail to pry the back panel off.
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Remove the six 3 mm screws from the black board using a Phillips #00 screwdriver.
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Remove the black board.
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Disconnect the fan from the circuit board by pulling on the plastic part of the wire towards the fan.
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Conclusion
To reassemble your device, follow these instructions in reverse order.