Difficulty

Moderate

Steps

6

Time Required

                          2 - 5 minutes

Sections

2

  • Bottom Panel
  • 2 steps
  • Wireless LAN Card
  • 4 steps

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0

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Introduction

Wireless LAN cards are the main reason why you are able to connect to the internet. This small card is attached to antennas that span through the laptop and pick up signal in a “Local Area Network” (LAN).

If you drop your laptop or it has been shaken around too much, there is a possibility that the antennas attached to the LAN card have been disconnected, preventing wireless connection.

It is recommended that before you try this guide, look at the “Lenovo ThinkPad X1 Carbon 4th Gen Troubleshooting Page,” which details how to fix the internet connection through software means before moving onto a hardware fix.

Before starting this guide, make sure to fully power off the laptop, and remove any external sources of power.

What you need

Step 1

              Bottom Panel
  • Unscrew the nine captive screws on the bottom cover of the laptop using a Phillips #1 screwdriver.
  • The screws do not fully come out of the back cover, so there is no need for screw management.
  • There are a few small clips around the edge that you may need to pry at to free them. An opening pick may be helpful for this process.

Unscrew the nine captive screws on the bottom cover of the laptop using a Phillips #1 screwdriver.

The screws do not fully come out of the back cover, so there is no need for screw management.

There are a few small clips around the edge that you may need to pry at to free them. An opening pick may be helpful for this process.

1024

Step 2

  • Lift the back cover up and off of the computer.

Lift the back cover up and off of the computer.

Step 3

              Wireless LAN Card
  • Remove the protective film to the left of the fan assembly.

Remove the protective film to the left of the fan assembly.

Step 4

  • Carefully disconnect the gray and black antenna connectors on the green wireless LAN card by lifting under the antennas with an opening tool.

Carefully disconnect the gray and black antenna connectors on the green wireless LAN card by lifting under the antennas with an opening tool.

Step 5

  • Remove the 2.5 mm screw holding the card in place with a Phillips #1 screwdriver.

Remove the 2.5 mm screw holding the card in place with a Phillips #1 screwdriver.

Step 6

  • Carefully slide the wireless card out of the slot by pulling it to the right.

Carefully slide the wireless card out of the slot by pulling it to the right.

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

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                    Alexander Davis

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                       Cal Poly, Team S1-G4, White Winter 2020                        

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