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Dell Inspiron 15-3521 Wireless Card Replacement

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    1. Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: step 1, image 1 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: step 1, image 2 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Remove the Battery: step 1, image 3 of 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: step 2, image 1 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Removing Keyboard: step 2, image 2 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Removing Keyboard: step 2, image 3 of 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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    3. Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: step 3, image 1 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: step 3, image 2 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Disconnecting the Keyboard Cable: step 3, image 3 of 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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    1. Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: step 4, image 1 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: step 4, image 2 of 3 Dell Inspiron 15-3521 Wireless Card Replacement, Wireless Card Removal: step 4, image 3 of 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

Member since: 10/13/14

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Team

Clemson, Team 3-1, Benson Fall 2014 Member of Clemson, Team 3-1, Benson Fall 2014

CLEM-BENSON-F14S3G1

4 Members

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2 Guide Comments

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 - Reply Share

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

rohit nair - Reply Share

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