Acer Chromebook C740 C4Pe Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 - 45 minutes

Sections

Heatsink
7 steps
Motherboard
12 steps

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Introduction

What you need

Step 1

              Heatsink

Make sure the laptop is turned off and laid down on a flat surface.
Unscrew the thirteen 10mm screws on the back of the device using a Phillips #0 screwdriver.
Use the spudger or any other prying tool to pry the back plate off of the device.
Be sure not to pry too hard as it may result in snapping the back plate.

Make sure the laptop is turned off and laid down on a flat surface.

Unscrew the thirteen 10mm screws on the back of the device using a Phillips #0 screwdriver.

Use the spudger or any other prying tool to pry the back plate off of the device.

Be sure not to pry too hard as it may result in snapping the back plate.

1024

Step 2

Remove the four 5mm screws on the heatsink using the Phillips #0 screwdriver.

Remove the four 5mm screws on the heatsink using the Phillips #0 screwdriver.

Step 3

Loosen the two Phillips-head screws on the fan attached to the heatsink.

Loosen the two Phillips-head screws on the fan attached to the heatsink.

Step 4

Detach the two antennae cables from the WiFi card by gently pulling on them.

Detach the two antennae cables from the WiFi card by gently pulling on them.

Step 5

Gently pull the fan cable out of the motherboard.
Pulling too hard may break the wires or the connector itself.

Gently pull the fan cable out of the motherboard.

Pulling too hard may break the wires or the connector itself.

Step 6

Remove the cable routed through the fan.
Do not completely remove the cables as they are attached to the motherboard. Once they are no longer routed in the fan, leave them as they are.

Remove the cable routed through the fan.

Do not completely remove the cables as they are attached to the motherboard. Once they are no longer routed in the fan, leave them as they are.

Step 7

Remove the heatsink from the motherboard.
Before changing the heatsink/fan, you must clean off the thermal paste from the CPU and apply new thermal paste.

Remove the heatsink from the motherboard.

Before changing the heatsink/fan, you must clean off the thermal paste from the CPU and apply new thermal paste.

Step 8

              Motherboard

Remove the 5mm screw holding the SSD in place using the Phillips #0 screwdriver.

Remove the 5mm screw holding the SSD in place using the Phillips #0 screwdriver.

Step 9

Slide the SSD out of its slot in the motherboard.

Slide the SSD out of its slot in the motherboard.

Step 10

Remove the two 5mm screws holding the battery in place using a Phillips #0 screwdriver.

Remove the two 5mm screws holding the battery in place using a Phillips #0 screwdriver.

Step 11

Remove the battery cable attached to the motherboard.

Remove the battery cable attached to the motherboard.

Step 12

Pull out the battery.

Pull out the battery.

Step 13

Remove the speaker cable from the motherboard.

Remove the speaker cable from the motherboard.

Step 14

Remove the touchpad cable from the zero insertion force connector on the motherboard.
Be sure to push up the plastic tab that holds the cable in place before removing it. Failure to do this could result in snapping the cable.

Remove the touchpad cable from the zero insertion force connector on the motherboard.

Be sure to push up the plastic tab that holds the cable in place before removing it. Failure to do this could result in snapping the cable.

Step 15

Remove the keyboard cable from the zero insertion force connector on the motherboard.
Be sure to push open the plastic tab that holds the cable in place before removing the cable.

Remove the keyboard cable from the zero insertion force connector on the motherboard.

Be sure to push open the plastic tab that holds the cable in place before removing the cable.

Step 16

Remove the mother-to-daughter cable from the zero insertion force connector on the motherboard.
Be sure to push open the plastic tab that holds the cable in place before removing the cable.

Remove the mother-to-daughter cable from the zero insertion force connector on the motherboard.

Step 17

Remove the LCD cable from the motherboard.

Remove the LCD cable from the motherboard.

Step 18

Remove the two 5mm screws holding the motherboard in place using a Phillips #0 screwdriver.

Remove the two 5mm screws holding the motherboard in place using a Phillips #0 screwdriver.

Step 19

Remove the motherboard.
Make sure your body does not have static electricity when handling the new motherboard as you could shock it. This could potentially break the new motherboard. Touch your finger on to something metal before handling the new motherboard.

Remove the motherboard.

Make sure your body does not have static electricity when handling the new motherboard as you could shock it. This could potentially break the new motherboard. Touch your finger on to something metal before handling the new motherboard.

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

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Author

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                    Dylan Tocci

Member since: 10/17/2017

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Team

                       UMass Dartmouth, Team S6-G4, Rockett Fall 2017                        

                                                  Member of UMass Dartmouth, Team S6-G4, Rockett Fall 2017 



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Introduction#

What you need#

Team#

Introduction

What you need

Team