Einleitung
A comprehensive how-to guide on replacing the motherboard in a Lenovo Ideapad 120s-14IAP. The motherboard replacement will fix most operational issues with your laptop. If possible, reduce the amount of contact with components of the motherboard during installation.
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Orient the laptop so the top is laying flat on your work surface.
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Remove ten 1.5mm Torx T5 screws from the back of the laptop.
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Insert the plastic opening tool or a Jimmy along the edge of the back cover and gently pry.
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Run the tool all the way around the edge of the back cover and remove the back cover once it is no longer secure.
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Remove the back cover.
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Use a spudger to lift the black fastener and disconnect the ribbon cable from the USB daughterboard.
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Using tweezers, disconnect the speaker on the left from the USB daugterboard.
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Remove two 2.5 mm Phillips #0 screws from the daughterboard.
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Remove the daughterboard from the laptop.
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Using a spudger, disconnect the keyboard ribbon cable from the motherboard.
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Pull on the plastic film to remove the display connection cable.
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Using tweezers, disconnect the connections for the right speaker.
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Using tweezers, disconnect the connections for the battery.
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Using tweezers, disconnect the connections for the CMOS battery.
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Remove the wireless card by disconnecting the two antenna cables and removing the 2.5 mm Phillips #0 screw.
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Remove seven 2.5 mm Phillips #0 screws from the motherboard.
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Slide the motherboard out of the laptop chassis.
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To reassemble your device, follow these instructions in reverse order.
