Introdução
This guide will show you how to replace the Wi-Fi/Bluetooth card in the HP ProBook 455 G7 (Model: 7JN02AV). The Wi-Fi card enables wireless internet and Bluetooth functionality.
A replacement may be needed if your device experiences frequent disconnects, no Wi-Fi networks appearing, Bluetooth malfunction, or if the “Wireless Connectivity Issues” section of the Troubleshooting Page matches your symptoms.
Before beginning, power off the laptop and disconnect the battery.
The Wi-Fi card has delicate antenna cables—detach them gently to avoid damaging the connectors.
Ferramentas
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Flip the laptop over so the lower case is facing up.
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Use a Phillips #1 screwdriver to remove the seven 8 mm-long screws securing the lower case.
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Insert an opening tool into the seam between the lower case and chassis.
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Pry around the entire perimeter until the lower case fully releases.
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Lift and remove the lower case.
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Use a Phillips #1 screwdriver to remove the three 4 mm-long screws securing the battery.
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Carefully lift the battery and remove it from the laptop.
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Use the tip of a spudger to pry up and disconnect the two antenna wires (black and white) attached to the Wi-Fi card.
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Unscrew the single Phillips screw holding the card in place.
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The card will pop up at a slight angle.
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Gently pull the Wi-Fi card out of its socket.
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Your Wi-Fi card replacement is complete. After booting, confirm that your wireless networks appear and that your internet connection is functioning normally.
