Einleitung
The device featured in this replacement guide is the Dell XPS 14 L421X. This guide will assist the user in removing and replacing the laptop's Wi-Fi card. The Wi-Fi card connects the device to the internet through a wireless connection to a local network. There are no special skills or requirements for this guide, the user will only need to complete the steps shown. The Wi-Fi card may often be the cause for poor Wi-Fi connection. For more troubleshooting information, refer to the troubleshooting page. Before fully removing the Wi-Fi card, make sure you check to ensure that the card is connected to the device, as these symptoms may also be due to a loose cable or plug. Before following these steps, it is important that you ground yourself. You can do so by wearing an anti-static wrist strap. Also, make sure that the battery is fully disconnected before removing the Wi-Fi card.
Werkzeuge
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Position the computer back side up so that the “XPS” logo is facing you.
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Remove six 3 mm screws along the perimeter of the back panel using a T5 Torx screwdriver.
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Use an opening tool to pry up the metal plate.
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Remove the two 6 mm screws under the silver flap using a Phillips #0 screwdriver.
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Flip over the back panel so that the interior of the panel is facing up.
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Remove three 2 mm screws that are connected to the vendor GCE disk on the bottom left corner of the back panel using a Phillips #0 screwdriver.
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Remove the black plastic cover that holds the disk in place.
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Remove the back panel.
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Remove four 2 mm screws that are connected to the speaker using a Phillips #0 screwdriver.
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Remove the speaker from its original location so the wire connector is visible.
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Unplug the red and white cable plug by pulling out the white end tag.
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The speaker is now fully removed.
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Remove the four 6 mm screws from the sides of the battery using a T5 Torx screwdriver.
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Remove the two 3 mm screws from the top of the battery using a Phillips #0 screwdriver.
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Detach the battery connector from the motherboard using two thumbs to pop it out.
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Remove the battery from the laptop.
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To reassemble your device, follow these instructions in reverse order.