Introduction
This guide will show you how to replace your Acer Spin 3 SP315-51-757C fan and heat sink. Leaving your laptop on for long periods of time or leaving it in a hot room could lead to issues with your heatsink and fan. If your laptop has been overheating or having temperature problems then they may need to be replaced.
Tools
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Using your hands, lift up on the battery from its slot, and carefully slide it away from you before fully lifting it out of the case.
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Using a Phillips #0 screwdriver, remove the three screws that hold the fan on top of the motherboard.
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Using a Phillips #0 screwdriver, remove the four screws that connect the heat sink to the motherboard.
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Conclusion
To reassemble your device, follow these instructions in reverse order.