Toshiba Satellite E45W C4200X Keyboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          35 - 45 minutes

Sections

Cooling Fan
6 steps
Motherboard
5 steps
Keyboard
4 steps

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Introduction

The Keyboard is a vital piece of hardware that is used to input information and writing.

Before using this guide, make sure to review the troubleshooting page to ensure the Keyboard will need to be replaced.

Make sure to power off your laptop completely and disconnect from any external power source prior to beginning the process.

What you need

Step 1

              Cooling Fan

Using the phillips #1 screwdriver, remove the ten 1 mm screws from the back panel of the device.

Using the phillips #1 screwdriver, remove the ten 1 mm screws from the back panel of the device.

1024

Step 2

Use plastic opening tool to separate the back cover from the laptop.
Go slowly and be careful as the plastic can crack.
It is recommend that you start from a corner and run the tool along the edge.

Use plastic opening tool to separate the back cover from the laptop.

Go slowly and be careful as the plastic can crack.

It is recommend that you start from a corner and run the tool along the edge.

Step 3

Remove the four .5 mm screws that secure the heat sink using a Phillips #1 screwdriver.

Remove the four .5 mm screws that secure the heat sink using a Phillips #1 screwdriver.

Step 4

Remove the two 1 mm screws that secure the cooling fan using a Phillips #1 screwdriver.

Remove the two 1 mm screws that secure the cooling fan using a Phillips #1 screwdriver.

Step 5

Disconnect the fan cord from the harness.
Remove the cooling fan and heat sink from the laptop.

Disconnect the fan cord from the harness.

Remove the cooling fan and heat sink from the laptop.

Step 6

Carefully peel off the tape holding the heat sink onto the cooling fan.
Peel carefully as the tape goes around all four sides.
Remove the cooling fan from the heat sink.

Carefully peel off the tape holding the heat sink onto the cooling fan.

Peel carefully as the tape goes around all four sides.

Remove the cooling fan from the heat sink.

Step 7

              Motherboard

Unplug the connection to the battery.
Mark sure you are using the anti-static wrist strap for the duration of this replacement.

Unplug the connection to the battery.

Mark sure you are using the anti-static wrist strap for the duration of this replacement.

Step 8

Remove all remaining external wire harnesses from the circuit board.
It is recommended that you use labels or take pictures of the wires you remove to assist in the re-connection.

Remove all remaining external wire harnesses from the circuit board.

It is recommended that you use labels or take pictures of the wires you remove to assist in the re-connection.

Step 9

Remove the three screws from the metal bracket on the left side of the circuit board using a Phillips #1 screwdriver.
Remove the bracket.

Remove the three screws from the metal bracket on the left side of the circuit board using a Phillips #1 screwdriver.

Remove the bracket.

Step 10

Remove the two screws from the black plastic cover using a Phillips #1 screwdriver.
Remove the black plastic cover.

Remove the two screws from the black plastic cover using a Phillips #1 screwdriver.

Remove the black plastic cover.

Step 11

Using a Phillips #1 screwdriver, remove the remaining two screws holding the circuit board in place.
Carefully remove the motherboard from the device.

Using a Phillips #1 screwdriver, remove the remaining two screws holding the circuit board in place.

Carefully remove the motherboard from the device.

Step 12

              Keyboard

Remove the two 1 mm screws from the black plastic cover using the Phillips #1 screwdriver.

Remove the two 1 mm screws from the black plastic cover using the Phillips #1 screwdriver.

Step 13

Use the Phillips #00 screwdriver to remove the three 0.5 mm screws from metal bracket.

Use the Phillips #00 screwdriver to remove the three 0.5 mm screws from metal bracket.

Step 14

Use the Phillips #000 screwdriver to remove the 44 (forty four) 0.5 mm screws on the existing silver panel.

Use the Phillips #000 screwdriver to remove the 44 (forty four) 0.5 mm screws on the existing silver panel.

Step 15

Pull up on the black tab that is on the silver panel to remove the keyboard.

Pull up on the black tab that is on the silver panel to remove the keyboard.

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

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                    Brennen Roomsburg

Member since: 02/20/2020

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                       The Citadel Military College of South Carolina, Team S3-G19, Eggleston Spring 2020                        

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