Lenovo N21 Chromebook Screen Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 minutes

Sections

Keyboard and Trackpad Panel
7 steps
Screen
6 steps

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Introduction

What you need

Step 1

              Keyboard and Trackpad Panel

Power down the Chromebook before starting any repair.
Opening up your Chromebook voids the manufacturer warranty.
Use a screwdriver to remove the six 5.0mm Phillips screws from the bottom housing of the Chromebook.

Power down the Chromebook before starting any repair.

Opening up your Chromebook voids the manufacturer warranty.

Use a screwdriver to remove the six 5.0mm Phillips screws from the bottom housing of the Chromebook.

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Step 2

Use a plastic opening tool to pry off the four rubber pegs from the bottom housing.

Use a plastic opening tool to pry off the four rubber pegs from the bottom housing.

Step 3

Use a screwdriver to remove the four 5.0mm Phillips screws located under the rubber soles.

Use a screwdriver to remove the four 5.0mm Phillips screws located under the rubber soles.

Step 4

Flip the laptop over and open the screen.
Gently pry the keyboard and trackpad panel away from the bottom housing using a plastic opening tool.
Once completely separated, do not immediately pull the panel completely away from the bottom housing. There are wires that are still connecting the panel to the rest of the internals of the Chromebook.

Flip the laptop over and open the screen.

Gently pry the keyboard and trackpad panel away from the bottom housing using a plastic opening tool.

Once completely separated, do not immediately pull the panel completely away from the bottom housing. There are wires that are still connecting the panel to the rest of the internals of the Chromebook.

Step 5

Disconnect the keyboard ribbon cable by lifting the ZIF connector lock with a plastic opening tool or fingernail and gently pulling the ribbon cable straight out of its socket.

Disconnect the keyboard ribbon cable by lifting the ZIF connector lock with a plastic opening tool or fingernail and gently pulling the ribbon cable straight out of its socket.

Step 6

Disconnect the trackpad ribbon cable by lifting the ZIF connector lock with a small prying tool or fingernail and gently pulling the ribbon cable straight out of its socket.

Disconnect the trackpad ribbon cable by lifting the ZIF connector lock with a small prying tool or fingernail and gently pulling the ribbon cable straight out of its socket.

Step 7

Remove the keyboard and trackpad panel away from the device.

Remove the keyboard and trackpad panel away from the device.

Step 8

              Screen

Carefully pry off the six small rubber pads around the screen with a plastic opening tool to expose the screws.
There are two rubber pads without screws underneath that do not need to be removed.

Carefully pry off the six small rubber pads around the screen with a plastic opening tool to expose the screws.

There are two rubber pads without screws underneath that do not need to be removed.

Step 9

Remove the six 4.0mm Phillips screws that are underneath the rubber pads with a screwdriver.

Remove the six 4.0mm Phillips screws that are underneath the rubber pads with a screwdriver.

Step 10

Use a plastic opening tool to carefully pry the thin plastic frame away from the screen.
The bottom edge of the frame has adhesive on it, and will take a little more power to peel away. Be careful not to bend the plastic too far or it will snap.

Use a plastic opening tool to carefully pry the thin plastic frame away from the screen.

The bottom edge of the frame has adhesive on it, and will take a little more power to peel away. Be careful not to bend the plastic too far or it will snap.

Step 11

Remove the four 3.0mm Phillips screws symmetrically placed on either side of the screen.

Remove the four 3.0mm Phillips screws symmetrically placed on either side of the screen.

Step 12

Pull the cable connecting the motherboard to the screen straight out from the back of the screen.
The screen is very fragile. When handling it, avoid applying uneven pressure on or bending the screen.

Pull the cable connecting the motherboard to the screen straight out from the back of the screen.

The screen is very fragile. When handling it, avoid applying uneven pressure on or bending the screen.

Step 13

Remove the screen from the device.

Remove the screen from the device.

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

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                    Lynette Cox

Member since: 04/26/2017

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Team

                       Cal Poly, Team S21-G2, Livingston Spring 2017                        

                                                  Member of Cal Poly, Team S21-G2, Livingston Spring 2017 



                    CPSU-LIVINGSTON-S17S21G2                     


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Introduction#

What you need#

Team#

Introduction

What you need

Team