Introduction
This guide details how to replace the heat sink on a Lenovo IdeaPad Y700-15ACZ laptop. The heat sink's job is to remove heat generated by the CPU to prevent it from overheating. Before replacing a heat sink, test the new cooling fans and replace the thermal paste on the CPU. Thermal paste can dry out over time and limit a computer's ability to cool down.
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Flip the Lenova ideapad onto its back and remove the screws using a screwdriver with a PH0 bit. All screws will use this bit.
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8 (5.35mm long screws)
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2 (15.37mm long screws)
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1 (5.63mm long screw)
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Firmly pull the cover off and locate the screws circled in red. These screws will stay attached to the old heat sink.
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Loosen each screw until an audible click can be heard. The screws do not need to be fully removed from the old heat sink.
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Carefully grab the heat sink and lift it straight up. This is to prevent spreading thermal paste.
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With all steps completed test the Lenova Ideapad to ensure it is properly working. It is recommended to run intensive applications while monitoring internal temperatures. This will show if the cooling system is properly working.
