Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement

简介

Use this guide to replace a faulty or failing I/O board in your Lenovo IdeaPad 3-1481W000NGUS.

The I/O board handles the connections for the SD card and headphone jack. Internally, it also handles the reset button and power button. If SD cards are unable to be read, the audio connection is crackly or quiet, or if the computer cannot be reset or turned on, the I/O board may be at fault.

Before using this guide, make sure to review the troubleshooting page. Oftentimes, audio and connection issues can be fixed without replacing the I/O board.

Never work on an electronic device that is plugged into a power outlet. Before starting this guide, ensure that the laptop is fully powered off and that the power adapter is disconnected. Follow the steps in order as the battery must be disconnected before removing other connectors.

你所需要的

步骤 1 Back Cover

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement, Back Cover: 步骤 1 中的图像 1，3

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement, Back Cover: 步骤 1 中的图像 2，3

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement, Back Cover: 步骤 1 中的图像 3，3

在这个步骤中使用的工具：

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Orient the laptop so that the bottom is facing up.
Remove the six 7 mm screws using a Phillips #00 screwdriver.
Remove the four 4 mm screws using a Phillips #00 screwdriver.
Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.

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步骤 2

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement: 步骤 2 中的图像 3，3

Pry up the sides of the back case using the iFixit opening tool. Then, lift to remove.
You may hear snapping when removing the panel. This is normal!

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步骤 3 I/O Board

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement, I/O Board: 步骤 3 中的图像 1，2

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement, I/O Board: 步骤 3 中的图像 2，2

Use your fingernail or an opening tool to gently pull out and disconnect the battery pack cable.
Do not pull on the cables.

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步骤 4

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement: 步骤 4 中的图像 3，3

Disconnect the speaker cable.
Disconnect the I/O board cable.
The I/O cable is extremely fragile and uses a zero insertion force (ZIF) connector.

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步骤 5

Lenovo IdeaPad 3-1481W000NGUS I/O Board Replacement: 步骤 5 中的图像 3，3

Remove the two 4 mm screws from the screen assembly hinge using a Phillips #00 screwdriver.
Using the opening tool, open the hinge away from the I/O board.

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