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why! N240JU Motherboard Replacement
Felice Suglia and one other contributor
Last updated on Sep 2, 2026
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓This guide shows you how to replace the motherboard of a why! N240JU laptop.
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Start by unlocking the right locking latch.
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Then, by simultaneously unlocking the left latch, lift the battery out of its socket.
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Begin by spotting the dummy memory card.
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Then, remove it and put it on your workplan.
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Locate the 15 screws that hold the bottom cover of the device in place.
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Unscrew them and place them on your work surface.
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Then, un-clip the bottom cover, starting with the side shown in the third picture.
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Locate the M.2 SSD in its slot.
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Unscrew the fastening screw of the latter.
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Lift and remove the SSD M.2 drive from its connector.
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Locate the hard drive in its location.
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Lift it slightly.
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Finally remove it from its SATA connector.
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To reassemble your device, follow the instructions in reverse order.
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Lift it gently and take it out of its place.
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Carefully unplug the MAIN and AUX antennas.
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Unscrew the fixing screw with the Philips # 0 screwdriver. Then lift the chipset slightly and remove it from the connector.
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Find and separate the spring blades that maintain the memory module in place (right).
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Find and separate the spring blades that maintain the memory module in place (left).
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Remove the memory module (RAM) from its connector.
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Remove the power cable from the fan.
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Unscrew the two screws securing the fan.
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Finally remove the fan and place it on your worktop.
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Unscrew the circled screws in green and red
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Put the computer in the position of the second image while pushing a paper clip into the hole of the screw circled in green until you hear a click
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Lift the keyboard
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Unscrew the four screws circled in red.
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Lift the motherboard by taking it through the radiator.
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To reassemble your device, follow the instructions in reverse order.
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