Lenovo Thinkpad X120E Touchpad And Midframe Assembly Replacement Repair Guide

Difficulty

Moderate

Steps

10

Time Required

                          20 - 30 minutes            

Sections

4

• Battery
• 1 step
• Back Cover
• 1 step
• Keyboard
• 3 steps
• Touchpad and Midframe Assembly
• 5 steps

Flags

1

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Introduction

A touchpad is a motion-detecting feature that traces a user’s fingers to match the motion of the cursor on the display screen. In this device, the touchpad is connected to the palm rest, so it can’t be removed seperately.

There are ways to solve this through programs in Windows, use this guide before considering replacement: Touchpad or trackpad is not working - ThinkPad - Lenovo Support US

There is also an option to disable your touchpad as a way to bypass your issue: How to enable or disable ThinkPad Touchpad - Windows 7, 10 - Lenovo Support US

What you need

Step 1

              Battery               

• Flip the laptop upside down and locate the battery latches under the battery.
• Place your thumbs on both latches and push the latch inwards.
• With your thumbs still on the latches, slide the battery out of the laptop.
• To install a new battery, simply slide the battery back in the slot. Then, check if both battery latches are locked

Flip the laptop upside down and locate the battery latches under the battery.

Place your thumbs on both latches and push the latch inwards.

With your thumbs still on the latches, slide the battery out of the laptop.

To install a new battery, simply slide the battery back in the slot. Then, check if both battery latches are locked

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Step 2

              Back Cover               

• Using the Phillips #0 screwdriver, remove the three 4 mm screws that are securing the bottom cover.
• Remove the backplate carefully, making sure not to bend the cover.

Using the Phillips #0 screwdriver, remove the three 4 mm screws that are securing the bottom cover.

Remove the backplate carefully, making sure not to bend the cover.

Step 3

              Keyboard               

• Using the Phillips #0 screwdriver, remove the two 4 mm retaining screws located on the battery slot.

Using the Phillips #0 screwdriver, remove the two 4 mm retaining screws located on the battery slot.

Step 4

• Flip the laptop back over, showing the keyboard.
• Using an opening tool, pry open the keyboard starting from the top left. Work your way around until you are able to loosely lift the keyboard.
• You should see two ribbon wires located beneath the keyboard once you are done.

Flip the laptop back over, showing the keyboard.

Using an opening tool, pry open the keyboard starting from the top left. Work your way around until you are able to loosely lift the keyboard.

You should see two ribbon wires located beneath the keyboard once you are done.

Step 5

• Pull on the black tabs above both ribbon wires using tweezers upwards.
• For more information on Zero Insertion Force (ZIF) connectors, please visit this guide.
• Remove both ribbon wires.
• Remove the keyboard from the laptop.

Pull on the black tabs above both ribbon wires using tweezers upwards.

For more information on Zero Insertion Force (ZIF) connectors, please visit this guide.

Remove both ribbon wires.

Remove the keyboard from the laptop.

Step 6

              Touchpad and Midframe Assembly               

• Using the Phillips #1 screwdriver, remove three 8 mm screws.

Using the Phillips #1 screwdriver, remove three 8 mm screws.

Step 7

• Flip the laptop over to the front.
• Using the same Phillips #1 screwdriver, remove three 4 mm screws.

Flip the laptop over to the front.

Using the same Phillips #1 screwdriver, remove three 4 mm screws.

Step 8

• Pull up on the small black tabs using precision tweezers for the two ribbon wires.
• Disconnect the two ribbon wires.

Pull up on the small black tabs using precision tweezers for the two ribbon wires.

Disconnect the two ribbon wires.

Step 9

• Disconnect the black wire by pulling it out gently.

Disconnect the black wire by pulling it out gently.

Step 10

• Pry open the palm rest using the spudger.
• Remove the palm rest and set it aside.
• You can start from anywhere, but the best place to start would be at the bottom of the keyboard.

Pry open the palm rest using the spudger.

Remove the palm rest and set it aside.

You can start from anywhere, but the best place to start would be at the bottom of the keyboard.

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

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                    Jacob Fronzaglia                     

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                       UMass Dartmouth, Team 3-4, Sinclaire Fall 2021                        

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