Difficulty

Easy

Steps

5

Time Required

                          10 minutes

Sections

2

  • Battery
  • 4 steps
  • Wi-Fi Card
  • 1 step

Flags

1

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Introduction

The WIFI module connects the laptop to the internet. A faulty WIFI module leads to weak signals or no signals at all.

Before using this guide, check your network status, make sure the connection problem does not come from your router.

Before you begin, please carefully check your laptop completely power off and has no connection with external power source.

What you need

Step 1

              Battery
  • Before you begin, be sure to turn off your laptop and discharge the battery down to 25%.
  • Remove the five 5.5mm Phillips #1 screws securing the back cover.
  • These screws are captive and cannot be removed completely from the back cover.
  • Lift and remove the back cover.

Before you begin, be sure to turn off your laptop and discharge the battery down to 25%.

Remove the five 5.5mm Phillips #1 screws securing the back cover.

These screws are captive and cannot be removed completely from the back cover.

Lift and remove the back cover.

1024

Step 2

  • Remove the five 5.5mm Phillips #1 screws securing the two batteries.

Remove the five 5.5mm Phillips #1 screws securing the two batteries.

Step 3

  • Unplug the two-wire connector from the motherboard by gently pulling it towards the battery.
  • Pull parallel to the battery, not straight up.

Unplug the two-wire connector from the motherboard by gently pulling it towards the battery.

Pull parallel to the battery, not straight up.

Step 4

  • Each battery has a black tab covering the electrical contacts.
  • Lift the battery by its tab and remove it from the device.

Each battery has a black tab covering the electrical contacts.

Lift the battery by its tab and remove it from the device.

Step 5

              Wi-Fi Card
  • Disconnect the gray and black cables from the Wi-Fi card.
  • Remove the 3mm Phillips #1 screw on the chip.
  • Remove the Wi-Fi card from the device.

Disconnect the gray and black cables from the Wi-Fi card.

Remove the 3mm Phillips #1 screw on the chip.

Remove the Wi-Fi card from the device.

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

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                    kewei xia

Member since: 10/01/2019

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                       Duke University Pratt School of Engineering, Team S4-G1, Matos-Garner Fall 2019                        

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                                            8 Guides authored

albert einstein - Mar 21, 2020

Reply

which replacement modules would you recommend? I am looking for alternatives to the 8260 that seems to be flawed.

albert einstein - Apr 3, 2020

Reply

I have now replaced my Wifi-Card and just wanted to point that you instructions diverge from the official ones suggested by Lenovo. This manual simply recommends to deactivate the internal batteries through a bios option - which seems easier than the instructions laid out here.

still, cheers for your guide.