Introduction
Use this guide if your Lenovo Flex 3-1120 has entirely lost wireless functionality. The wireless network card is a simple and easy process.
Tools
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            Locate the ten 6mm Phillips screws along the edges and in the center of the back panel. 
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            Remove all ten 6mm Phillips screws with a size 0 Phillips screwdriver. 
 
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            Wedge the plastic opening tool into the small space under the back panel. 
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            Use the plastic opening tool as a lever to separate the bottom panel from the computer. 
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            Slide the tool along the edges of the computer until the bottom panel is completely separated. 
 
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            Locate the single 3.5mm Phillips head screw on the right edge of the network card. 
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            Remove the single screw with a size 0 Phillips screwdriver. 
 
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            Locate the black and white antenna wires that are connected to the right edge of the network card. 
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            Wiggle and pull upward on the two antenna cords connecting to the card to remove them. 
 
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To reassemble your device, follow these instructions in reverse order.
One comment
Where can I buy a replacement card? Can I replace the AC-3160 with the newer 7265D card?