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Take a look at the overheating troubleshooting guide and see if you can resolve your issue before proceeding. If none of the solutions worked, this guide will show you how to remove and replace the fan of your Lenovo ThinkPad P50s Laptop. The fan is responsible for keeping the laptop at a reasonable temperature, and ensuring your laptop doesn't overheat and damage other components, like the motherboard, CPU, etc.
Before you begin this guide, you should disable the built-in battery. Here is a link with instructions on how to do so on page 123. Make sure your laptop is off and unplugged from the AC charger.
When replacing the fan, you may need to reapply thermal paste. Refer to the How to Apply Thermal Paste guide for detailed instructions.
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Flip the device over so the bottom is facing you.
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Use your thumb to slide the right lock switch button outward.
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With your thumb slide the left lock switch button outward while sliding the battery out with your other hand.
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Use a Phillips #00 screwdriver to unscrew the eight 2 mm captive screws.
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With the plastic opening tool, pry up the base cover.
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Slide the opening tool around the edge of the laptop to release the snap tabs.
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With your fingers or a spudger, disconnect the battery cable from the motherboard.
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Use the point of a spudger to push on alternating sides of the connector to "walk" it out of its socket.
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Use a Phillips #00 screwdriver to remove the five 2.5 mm retaining screws.
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Lift the battery away from the device to remove it.
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Use the point of a spudger to push on alternating sides of the fan connector to "walk" it out of its socket.
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Use the opening tool to lift up the locking flap on the power button cable.
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Use tweezers or your fingers to gently pull the cable out of its socket.
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Use a Phillips #00 screwdriver to loosen the seven 2.5 mm captive screws securing the fan assembly to the motherboard.
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Gently peel back the power button cable.
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Lift the fan off the board to remove it.
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To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.
To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.
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