Lenovo Thinkpad E540 Wifi Card Replacement Repair Guide

Difficulty

Easy

Steps

6

Time Required

                          5 - 10 minutes            

Sections

2

• Battery
• 2 steps
• WiFi Card
• 4 steps

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Introduction

What you need

Step 1

              Battery               

• Push the battery release switches away from each other.

Push the battery release switches away from each other.

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Step 2

• Remove the battery.

Remove the battery.

Step 3

              WiFi Card               

• Remove the single 1mm Phillips #0 screw holding the small plastic panel in place.

Remove the single 1mm Phillips #0 screw holding the small plastic panel in place.

Step 4

• Use a plastic opening tool to remove panel.

Use a plastic opening tool to remove panel.

Step 5

• Disconnect the two antenna cables from the wifi card.
• Remove the single 1mm Phillips #0 screw from the wifi card.

Disconnect the two antenna cables from the wifi card.

Remove the single 1mm Phillips #0 screw from the wifi card.

Step 6

• Remove the wifi card by sliding it out.

Remove the wifi card by sliding it out.

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

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Author

                                      with 4 other contributors 

                    Timothy Sumner                     

Member since: 02/14/2018

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                       USF Tampa, Team S2-G5, Nance Spring 2018                        

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                                            8 Guides authored                     

Monte Christo - Aug 8, 2020

Reply

Pictures show battery is still connected to laptop.

Thomas - Nov 28, 2021

Reply

There appear to be several different wifi cards available, with different PN numbers. Is it necessary to replace with the exact same PN number? Can these wifi cards be upgraded?