Introduction

This guide will cover the steps needed to repair a faulty wifi card for the Dell Inspiron 14-5447 laptop. Make sure that prior to starting this guide, the device is not plugged into any power source and it is turned off.

Image 1/1:
  • Flip the laptop upside down to access the battery.

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Image 1/2: Locate the small slit, centered between the removed screws, which will help open and remove the back cover. Image 2/2: Insert a plastic opening tool into the small slit and pry up the back cover.
  • Remove the two black 5.70mm Phillips#0 screws on the case's back.

  • Locate the small slit, centered between the removed screws, which will help open and remove the back cover.

  • Insert a plastic opening tool into the small slit and pry up the back cover.

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Image 1/1: Treat the battery with care - puncturing or bending may cause damage to the battery and may result as a fire or injury.
  • Locate the battery. It is a large black plastic object that has a grey square with the words "DELL" on it.

  • Treat the battery with care - puncturing or bending may cause damage to the battery and may result as a fire or injury.

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Image 1/2: Image 2/2:
  • Remove the two 5.70mm Phillips #0 screws on the left side that secure the battery in place.

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Image 1/2: Slowly lift the flap up with the battery and it should slide out smoothly. Image 2/2: Slowly lift the flap up with the battery and it should slide out smoothly.
  • Use the black plastic flap on the left side to pull the battery out.

  • Slowly lift the flap up with the battery and it should slide out smoothly.

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Image 1/2: Use the tweezers to release the black and white cables. Image 2/2: Use the tweezers to release the black and white cables.
  • Locate the Wifi card on the top left of the laptop.

  • Use the tweezers to release the black and white cables.

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Image 1/1:
  • Remove one silver 2.9mm Phillips #1 screw which secures the WiFi card.

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Image 1/1: Use tweezers to push the white part of the Wi-Fi card up towards the top of the device to remove.
  • The Wi-Fi card should slide out of the black socket.

  • Use tweezers to push the white part of the Wi-Fi card up towards the top of the device to remove.

  • Remove the card with the tweezers.

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Conclusion

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

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