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Follow this guide to replace or remove the motherboard in your Lenovo YOGA 730-15IKB. The motherboard is the central component inside a laptop and allows all the pieces of the computer to talk to each other. If the motherboard is damaged, the computer will not work correctly.
You might need to replace your motherboard if you spilled liquid on the computer or if the laptop is not turning on even after you have made sure the battery is working.
Make sure to take off the SSD, wireless card, heat sink, and extra RAM before you safely dispose of the old motherboard. These components can be transferred to the new motherboard.
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Flip the laptop over so you can see the underside.
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Remove the ten 7mm T5 Torx screws.
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Pry up the bottom cover with an opening tool.
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Start at the front edge of the cover and make your way along the sides.
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Pull the bottom cover up and away from the back hinges.
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Disconnect the battery from the motherboard by gently pulling the battery cable using your fingers or a pair of tweezers.
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Remove the four 4mm Phillips #1 screws securing the battery.
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Lift the battery up and out of the chassis.
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Remove the black and white antenna wires from the groove on the right side of the fan.
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Disconnect the fan cable. Pull the wire toward the right side of the laptop while wiggling to loosen the connection.
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You can also use the white tabs on the connector to push the cable free.
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Pull the fan up and towards the front of the laptop.
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Disconnect the fan cable. Pull the wire toward the back of the laptop while wiggling to loosen the connection.
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You can also use the white tabs on the connector to push the cable free.
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Pull the fan up and towards the front of the laptop.
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Remove the fingerprint reader ribbon cable located at the bottom left of the motherboard.
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Pull up on the black tab on the connector.
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The ribbon cable should easily pull out of the connector.
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Remove the three other ribbon cables at the lower edge of the motherboard.
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For each, lift up the black tab on the connector.
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The ribbon cables should easily pull out of the connectors.
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Disconnect the speaker cable by pulling the wire towards the front of the laptop.
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Remove the sticky tape from the top of the wireless card.
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Pull the black and white antenna wires off of the wireless card.
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Pull up on the thick gray display cable near the back of the laptop to disconnect the display.
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Disconnect the cable by pulling the bundle of wires firmly toward the back of the laptop.
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Pull the motherboard up out of the laptop chassis.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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