How to disassemble Asus K55N

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How to disassemble Asus K55N

Post  THE GIVEAWAY BLOG!! on Thu Oct 16, 2014 8:01 am

In this guide I will disassemble an Asus K55N-DS81.


Make sure the laptop is turned off before you start taking it apart.

STEP 1.

Unlock the battery and push on the release latch.

Remove the battery.

Remove battery

STEP 2.

Remove two screws securing the bottom cover.

Slide the cover to the shown direction and remove it.

Remove bottom cover

STEP 3.

Under the cover you can access the hard drive and both RAM slots.

In my laptop I had only one RAM module installed.

Hard drive and memory

STEP 4.

Remove four screws securing the hard drive assembly to the case.

Slide the hard drive assembly to the left to disconnect it from the motherboard.

Disconnect hard drive

STEP 5.

Remove the hard drive.

Remove hard drive

STEP 6.

There are five retainers securing the keyboard on the top.

Push on the retainer with a flathead screwdriver.

Unlock keyboard

STEP 7.

While the retainer pushed in, insert a sharp object under the keyboard and lift it up.

Unlock remaining four retainers.

Separate keyboard

STEP 8.

Lift up the keyboard and turn it upside down on the palm rest.

Lift up keyboard

STEP 9.

Now you can access and unlock the keyboard cable.

Keyboard connector

STEP 10.

In order to unlock the connector you’ll have to lift up the right side of the retainer clip with your fingernail.

After that pull the cable from the connector.

Unlock connector

STEP 11.

Remove the keyboard.

Remove keyboard

STEP 12.

The optical drive is secured by one screw located under the keyboard.

Remove the screw and pull the optical drive out of the case.

Remove the drive.

Remove optical drive

STEP 13.

Remove all shown screws from the bottom of the laptop.

I suggest making notes from where you removed the screws.

There are three different types of screws used on the bottom.

Remove bottom screws

STEP 14.

Remove five screws securing the top cover/palm rest assembly.

Disconnect the power button cable and touchpad cable.

Disconnect top cover

Here’s how to disconnect these cables.

Lift up the retainer and pull the cable out of the connector.

Unplug touchpad cable

STEP 15.

Start separating the palm rest assembly from the bottom case.

Lift up palm rest assembly

I am using a guitar pick to separate two parts from each other.

Separate palm rest

STEP 16.

Remove the palm rest assembly.

Remove palm rest

On the other side of the assembly you can access the power button board and touchpad.

Power button and touchpad

STEP 17.

When the top cover removed, you can access the cooling fan, DC jack, USB board and motherboard.

In order to remove the cooling fan it’s necessary to remove the motherboard first.

Internal components

STEP 18.

Remove three screws securing the motherboard assembly.

Disconnect the display cable, speaker cable and USB board cable.

Disconnect motherboard

Here’s how to disconnect the speaker cable. Simply unplug the black male connector from the female connector.

Do not pull by the wires. Unplug it by the connector edges.

Speaker cable

Here’s how to disconnect the display cable.

Lift up sticky tape securing the connection and unplug the cable.

Display cable

STEP 19.

Disconnect two antenna cables from the wireless card.

Disconnect wi-fi antennas

STEP 20.

Un-glue the display cable from the fan.

Lift up display cable

STEP 21.

There is a small plastic retainer securing the motherboard to the case.

Push on the retainer to release the motherboard.

Motherboard retainer

STEP 22.

Lift up the motherboard a little bit so you can get access to the power jack cable.

Power jack cable

STEP 23.

Disconnect the power jack cable from the motherboard.

Unplug power jack

STEP 24.

Now you can remove the motherboard completely.

Remove motherboard

STEP 25.

The cooling fan is a part of the heat sink assembly.

The heat sink secured to the motherboard by four screws.

CMOS battery and fan

Asus K55N DC jack is attached to a cable. If the jack failed, it can be easily replaced with a new one.

DC jack harness

This disassembly guide should work for all Asus K55N series models.
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