Einleitung
The wireless card regulates laptop connectivity to wireless networks for internet access. If your laptop has trouble connecting to a working wireless network, the wireless card may be damaged and may have to be replaced.
Werkzeuge
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Make sure the switch in the upper right corner of the laptop is switched to the "unlock" position (toward the unlocked padlock icon).
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Pull the switch on the upper lefthand corner of the laptop towards the unlocked padlock icon.
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Firmly pull the battery outwards and away from the laptop.
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Loosen the 3mm Phillips #0 screw from the back of the WiFi card backplate.
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Lift upwards on the back plate to remove it.
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Use the plastic opening tool to gently pry upwards on the two connecting cables to remove them.
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To reassemble your device, follow these instructions in reverse order.