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Dell Inspiron 15-3521 Wireless Card Replacement

Introduction

Often times, if one is experiencing consistently unreliable wireless connectivity and has tried to troubleshoot this problem using provided software solutions the hardware can be at fault for loss of connectivity. Furthermore, if one wants to upgrade one's wireless speed, a wireless card replacement is in order.

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  1. Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: étape 1, image 1 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: étape 1, image 2 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: étape 1, image 3 de 3

    • Flip the laptop over.

    • Slide the latches toward the outside of the laptop to unlock the battery.

    • Lift the battery out of the laptop.

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  2. Dell Inspiron 15-3521 Wireless Card Replacement, Removing Keyboard: étape 2, image 1 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Removing Keyboard: étape 2, image 2 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Removing Keyboard: étape 2, image 3 de 3

    • Flip laptop right side up

    • Using a flat head screwdriver, depress locking tabs holding keyboard into place

    • Using a spudger, pry the keyboard from the laptop, giving room to access with hands.

    • Using hands, remove keyboard completely from laptop body, leaving only the connecting cord that attaches the keyboard to the laptop.

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  4. Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: étape 3, image 1 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: étape 3, image 2 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: étape 3, image 3 de 3

    • To disconnect the keyboard, locate the keyboard cable locking mechanism.

    • Open the locking mechanism by gently pulling up.

    • Slide out the keyboard cable from the interface to separate the keyboard form the laptop.

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  5. Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: étape 4, image 1 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: étape 4, image 2 de 3 Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: étape 4, image 3 de 3

    • Remove the wireless card cables powering the wireless card

    • Unscrew the wireless card using a PH0 screwdriver.

    • Replace with a new wireless card, reattaching the power cables.

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Conclusion

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

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Andrew Dippre

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Clemson, Team 3-1, Benson Fall 2014 Membre de l'équipe Clemson, Team 3-1, Benson Fall 2014

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2 commentaires

On an Insperion 15 model 3878, the Wi-Fi adapter wasn't under the keyboard. It was under the inset cover on the bottom.

I reseated the card connection and then Windows could communicate to configure it.

Student4Life - Réponse

its wlan is right now 2.4ghz. i want to upgrade it to 5ghz. please suggest a solution!

rohit nair - Réponse

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