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Dell Latitude E7440 WLAN Card Replacement

Introduction

Before replacing your WLAN card, please refer to our Troubleshooting Guide. If your laptop is still not receiving a WiFi connection, but your other devices are, you will need to replace your WLAN card. Dell has made this process simple.

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  1. Dell Latitude E7440 WLAN Card Replacement, Prepare the laptop: étape 1, image 1 de 1

    • Power off your laptop before starting.

    • Flip the device over so that the vents on the bottom are facing away from you.

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  2. Dell Latitude E7440 WLAN Card Replacement, Release the battery: étape 2, image 1 de 3 Dell Latitude E7440 WLAN Card Replacement, Release the battery: étape 2, image 2 de 3 Dell Latitude E7440 WLAN Card Replacement, Release the battery: étape 2, image 3 de 3

    • Place your finger on the latch located in the center of the laptop.

    • Slide the latch to the right, applying enough force to reveal a red indicator.

    • You will hear a soft click when the latch has been disengaged.

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  3. Dell Latitude E7440 WLAN Card Replacement, Remove the battery: étape 3, image 1 de 1

    • Lift the battery by the top, away from the laptop body.

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  5. Dell Latitude E7440 WLAN Card Replacement, WLAN Card: étape 4, image 1 de 2 Dell Latitude E7440 WLAN Card Replacement, WLAN Card: étape 4, image 2 de 2

    • Remove two M2 x 3mm Phillips #0 screws from the base cover.

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  6. Dell Latitude E7440 WLAN Card Replacement: étape 5, image 1 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 5, image 2 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 5, image 3 de 3

    • Slide the base cover down slightly and remove it to find the WLAN card.

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  7. Dell Latitude E7440 WLAN Card Replacement: étape 6, image 1 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 6, image 2 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 6, image 3 de 3

    • Disconnect the white and black wires attached to the WLAN card by pulling them away from the card.

    • You can use the nylon spudger to disconnect a wire by placing it between the curved part of the wire and gently pulling.

    • When attaching the wires to the WLAN card, place the wire head directly above the connectors and apply pressure to the head to reconnect it.

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  8. Dell Latitude E7440 WLAN Card Replacement: étape 7, image 1 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 7, image 2 de 3 Dell Latitude E7440 WLAN Card Replacement: étape 7, image 3 de 3

    • Remove a M2 x 3mm Phillips #0 screw from the WLAN card.

    • Gently pull the WLAN card out of its socket.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Akash Kedia

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