Samsung Series 9 NP900X4B-A02 I/O PCB Replacement

Introducción

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.

Qué necesitas

Paso 1 Battery

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

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Battery: paso 1, imagen 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 .

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Paso 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.

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Paso 3

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

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Paso 4

Lift and pull out the battery.

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Paso 5 Speaker

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

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

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

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

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Paso 6

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

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

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Paso 7 Fan

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

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

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

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Paso 8

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

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Paso 9

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

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Paso 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.

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