Introduction
This is a guide for how to replace a Lenovo IdeaPad Flex 5-1470 motherboard. Common reasons to replace the motherboard are because of overheating, power surges, old age or just overuse.
Tools
Parts
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            Use a Phillips #00 screwdriver to remove the three screws securing the fan. 
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            Lift the fan up and out. 
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            Use a Phillips #00 screwdriver to remove the three screws securing the hard drive. 
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            Lift the hard drive up and out. 
 
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            Use a Phillips #00 screwdriver to remove the single screw securing the Wi-Fi card. 
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            Pull the Wi-Fi card directly out of its port. 
 
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            Use a Phillips #00 screwdriver to remove the three screws securing the motherboard. 
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            Gently disconnect the cables and ribbon cables connected to the motherboard. 
 
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To reassemble your device, follow these instructions in reverse order.