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The WIFI PCB is how your device is able to connect to the internet through an antenna. This may need replacement if your device refuses to connect to working WIFI when other devices can connect.
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Remove the 2 rubber foot pads from the bottom (opposite the hinge) with the small Plastic Opening tool.
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Remove the 10 7.1 mm screws using Phillips #1 screwdriver.
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Loosen the back cover by using a plastic opening tool all the way around the device.
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Remove the back cover by gently lifting up on one side of the device.
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Remove the tape holding the speaker wire to the battery on both sides using a small opening tool.
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Remove the 4 Phillips 3.2 mm screws holding the battery in place, with the Phillips #1 screwdriver.
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To disconnect the wire from the mother board, gently press down with the flat end of Spudger and pull on the wire.
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Remove the battery by gently pulling on the bottom corners.
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Unscrew the 4 Phillip screws using a Phillips # 1 Screwdriver.
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The top wire is the fan's wire. Remove it by pulling it from the motherboard.
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To remove the Wifi PCB wire lift up the hinged flap with your finger or with the aid of the spudger tool.
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After the flap is lifted, pull the wire up out of the connector socket.
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Remove the headphone jack wire by pulling it out of the connector socket.
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Remove the Phillip 3.6 mm screw from the fan using a Phillips #1 screwdriver.
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Lift up on the metal plate that hold the screws to start removing the fan.
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Once lifted, you will notice that there are two wires tucked under plastic tunnels on the right side of the fan. Remove these wires.
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Once the wires are removed the fan should be removed entirely.
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The WiFi PCB is located next to the fan.
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Remove the Phillips 3.7 mm screw using a Phillips #1 screwdriver.
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Gently remove the WiFi PCB by pulling upward.
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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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USF Tampa, Team S1-G121, Cagle Fall 2017 crwdns2935289:0USF Tampa, Team S1-G121, Cagle Fall 2017crwdne2935289:0
USFT-CAGLE-F17S1G121
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The article has some mistakes, namely, this isn’t the WiFi / WLAN, it is a USB port and card reader slot PCB. I came to iFixIt to double-check the part to upgrade to WiFi 6 (ax). Once you fix the part name, the article is good! The part number DA0BUITH8D0 is what to search for when trying to buy one. I didn’t need one, but looked it up just the same, there are not a ton of these out there and I would probably just resort to a USB reader.
