Samsung Series 9 NP900X4B-A02 I/O PCB Replacement

Introduction

Following this guide will ensure a safe and easy way to replace the Input/Output Printed Circuit Board (I/O PCB) in your Samsung Series 9 (NP900X4B-A02) laptop. No other skills are required to to replace this board, which means anyone can accomplish this task.

The I/O PCB is the board that controls most of the interaction between a person and their computer. As with other circuit boards, a problem with your I/O PCB can be difficult to diagnose. Before replacing your I/O PCB, be sure that the board is the cause of the issue.

Before beginning this guide, ensure that your laptop is powered off and disconnected from its power source.

Ce dont vous avez besoin

Étape 1 Battery

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Battery: étape 1, image 1 de 2

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Battery: étape 1, image 2 de 2

Ensure computer is unplugged and powered down before continuing.
Remove the ten screws along the base using a Phillips #000.
Use a Plastic Opening Tool to pry open the base .

Modifier

Étape 2

The battery is now unobstructed from your view.
Before removing the battery, use the plastic opening tool to detach the ribbon wire cable that connects the battery to the motherboard.

Modifier

Étape 3

Use the Phillips #000 screwdriver to remove six screws that are holding the battery in place.

Modifier

Étape 4

Lift and pull out the battery.

Modifier

Étape 5 Speaker

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: étape 5, image 1 de 3

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: étape 5, image 2 de 3

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: étape 5, image 3 de 3

Unplug the left speaker's cable from the motherboard.
Lift up and remove the left speaker.

Modifier

Étape 6

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement: étape 6, image 3 de 3

Unplug the right speaker's cable from the motherboard.
Lift up and remove the right speaker.

Modifier

Étape 7 Fan

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Fan: étape 7, image 1 de 2

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Fan: étape 7, image 2 de 2

Next locate the two Phillips #0 2.5mm screws on both the top right and bottom left corner of the fan.

Modifier

Étape 8

After locating the screws, using the Phillips #0 screwdriver, remove the screws from the fan.

Modifier

Étape 9

Use the plastic opening tool to remove the cable connector from its housing which is just to the right of the fan.

Modifier

Étape 10

Once the cable has been removed from its housing you are free to remove the fan from the laptop.
You can either clean the fan with a computer duster or other cleaner, or replace it with a new one.

Modifier

Étape 11 I/O PCB

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, I/O PCB: étape 11, image 1 de 1

Remove the five 2.5 mm Phillips #00 screws securing the I/O PCB.

Modifier

Étape 12

Lift and pull the SSD from the board.

Modifier

Étape 13

Disconnect the black press fit connector by gently lifting up.

Modifier

Étape 14

The I/O PCB is adhered to the frame.
Use an opening tool or spudger to carefully pry up the right edge of the I/O PCB.
Pull the board to the right and remove it.
You may need to wiggle the board to loosen the adhesive holding it in place.