Dell XPS 14 Wi-Fi Card Replacement

简介

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.

你所需要的

步骤 1 Back Panel

Dell XPS 14 Wi-Fi Card Replacement, Back Panel: 步骤 1 中的图像 1，1

Position the computer back side up so that the “XPS” logo is facing you.
Remove six 3 mm screws along the perimeter of the back panel using a T5 Torx screwdriver.

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步骤 2

Dell XPS 14 Wi-Fi Card Replacement: 步骤 2 中的图像 3，3

Use an opening tool to pry up the metal plate.
Remove the two 6 mm screws under the silver flap using a Phillips #0 screwdriver.

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步骤 3

Use an opening tool to pop out the back panel.
Once unhinged, the panel will open away from you.
The back panel will still be attached by a ribbon cable. Be cautious when opening the panel to ensure the ribbon stays intact.

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步骤 4

Dell XPS 14 Wi-Fi Card Replacement: 步骤 4 中的图像 3，3

Flip over the back panel so that the interior of the panel is facing up.
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.
Remove the black plastic cover that holds the disk in place.
Remove the back panel.
The GCE disk should still be connected to the computer via a purple ribbon cable.

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步骤 5 Speaker

Dell XPS 14 Wi-Fi Card Replacement, Speaker: 步骤 5 中的图像 1，2

Dell XPS 14 Wi-Fi Card Replacement, Speaker: 步骤 5 中的图像 2，2

Remove four 2 mm screws that are connected to the speaker using a Phillips #0 screwdriver.

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步骤 6

Remove the speaker from its original location so the wire connector is visible.
Unplug the red and white cable plug by pulling out the white end tag.
The speaker is now fully removed.

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步骤 7 Battery

Dell XPS 14 Wi-Fi Card Replacement, Battery: 步骤 7 中的图像 1，1

Make sure to ground yourself before removing the battery.
Remove the four 6 mm screws from the sides of the battery using a T5 Torx screwdriver.
Remove the two 3 mm screws from the top of the battery using a Phillips #0 screwdriver.