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.

Flip the laptop upside down to access the battery.
  • Flip the laptop upside down to access the battery.

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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.
  • 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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Locate the battery. It is a large black plastic object that has a grey square with the words "DELL" on it.
  • 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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Deck the Halls
With tools and Fix Kits
Remove the two 5.70mm Phillips #0 screws on the left side that secure the battery in place. Remove the two 5.70mm Phillips #0 screws on the left side that secure the battery in place.
  • Remove the two 5.70mm Phillips #0 screws on the left side that secure the battery in place.

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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.
  • 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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Locate the Wifi card on the top left of the  laptop. 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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Remove one silver 2.9mm Phillips #1 screw which secures the WiFi card.
  • Remove one silver 2.9mm Phillips #1 screw which secures the WiFi card.

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The Wi-Fi card should slide out of the black socket.
  • 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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