Difficulty

Easy

Steps

7

Time Required

                          15 minutes

Sections

2

  • Battery
  • 3 steps
  • WLAN Card
  • 4 steps

Flags

1

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  • BackDell Latitude E7440

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Introduction

What you need

Step 1

              Prepare the laptop
  • Power off your laptop before starting.
  • Flip the device over so that the vents on the bottom are facing away from you.

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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Step 2

              Release the battery
  • 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.

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.

Step 3

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

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

Step 4

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

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

Step 5

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

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

Step 6

  • 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.

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.

Step 7

  • Remove a M2 x 3mm Phillips #0 screw from the WLAN card.
  • Gently pull the WLAN card out of its socket.

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

Gently pull the WLAN card out of its socket.

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

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Author

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                    Akash Kedia

Member since: 01/24/2019

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                       Cal Poly, Team S2-G5, White Winter 2019                        

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