Asus Chromebook C300Ma Edu Thermal Paste Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          8 - 15 minutes

Sections

Keyboard
3 steps
Battery
3 steps
Thermal Paste
3 steps

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What you need

Step 1

              Keyboard

Flip the Chromebook onto its back, where there are eleven screws.
There are two variations of screws on the back panel:
Six 8.7mm screws.
Five 6.4mm screws.
Using your screwdriver with the J00 Phillips Head tip, remove the screws by turning them counter clockwise.

Flip the Chromebook onto its back, where there are eleven screws.

There are two variations of screws on the back panel:

Six 8.7mm screws.

Five 6.4mm screws.

Using your screwdriver with the J00 Phillips Head tip, remove the screws by turning them counter clockwise.

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Step 2

Once the screws are removed, flip the Chromebook back over.
Gently remove the keyboard by starting to lift up on one corner with a plastic opening tool.
Follow around the brim of the keyboard until it pops off.

Once the screws are removed, flip the Chromebook back over.

Gently remove the keyboard by starting to lift up on one corner with a plastic opening tool.

Follow around the brim of the keyboard until it pops off.

Step 3

Once you remove the keyboard, it will be connected to the CPU with two tabbed connections.
Release the connections from the tabs gently by flipping the white flaps up until disconnected.
You can now pull the ribbons out from the board and remove the keyboard.

Once you remove the keyboard, it will be connected to the CPU with two tabbed connections.

Release the connections from the tabs gently by flipping the white flaps up until disconnected.

You can now pull the ribbons out from the board and remove the keyboard.

Step 4

              Battery

Once the keyboard is removed, the battery is located on the bottom portion of the shell.
The battery is held in with six 6.5mm screws on opposing sides.

Once the keyboard is removed, the battery is located on the bottom portion of the shell.

The battery is held in with six 6.5mm screws on opposing sides.

Step 5

The battery is now held in with a tabbed connection to the CPU on the left side of the board. On the tabbed connection, there is a silver plate.
Gently push on the silver plate towards the screen until the plastic connection is free.
The tabbed connection should now slide out backwards.

The battery is now held in with a tabbed connection to the CPU on the left side of the board. On the tabbed connection, there is a silver plate.

Gently push on the silver plate towards the screen until the plastic connection is free.

The tabbed connection should now slide out backwards.

Step 6

At this point, using the plastic removal tool, lift the battery out of the shell.

At this point, using the plastic removal tool, lift the battery out of the shell.

Step 7

              Thermal Paste

The metal plate is held in by two 3.4mm Phillip head screws.
Remove them by turning the screws counter clockwise.
Lift the plate off using a plastic opening tool or by hand.

The metal plate is held in by two 3.4mm Phillip head screws.

Remove them by turning the screws counter clockwise.

Lift the plate off using a plastic opening tool or by hand.

Step 8

The existing thermal paste should now be exposed.
Using a paper towel, gently wipe off the existing thermal paste from both the CPU and the metal cover.

The existing thermal paste should now be exposed.

Using a paper towel, gently wipe off the existing thermal paste from both the CPU and the metal cover.

Step 9

Once you remove the residue, apply a small amount of thermal paste in one area on the CPU.
The amount of thermal paste applied should be the size of a circle with a diameter of 2mm.
Applying too much thermal paste may result in the system not ventilating properly, leading to overheating issues.
Place metal plate back on. This will naturally spread the thermal paste across the CPU.
The thermal paste is now replaced.

Once you remove the residue, apply a small amount of thermal paste in one area on the CPU.

The amount of thermal paste applied should be the size of a circle with a diameter of 2mm.

Applying too much thermal paste may result in the system not ventilating properly, leading to overheating issues.

Place metal plate back on. This will naturally spread the thermal paste across the CPU.

The thermal paste is now replaced.

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

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                    Christopher Hart

Member since: 09/28/2017

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                       USF Tampa, Team S2-G3, Nance Fall 2017                        

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