Lenovo ThinkPad T470 Wi-Fi Card Replacement

はじめに

This guide will show you how to replace the Wi-Fi card in a Lenovo ThinkPad T470 laptop.

A Wi-Fi card, also known as a WLAN card, enables the laptop to connect to a wireless network. If you cannot connect your laptop to Wi-Fi, or if you are experiencing intermittent connectivity, you may have a faulty Wi-Fi card. Be sure to rule out other connectivity issues listed here before replacing your Wi-Fi card.

Make sure to disable the internal battery, power down your device, and disconnect from any external power sources before you begin.

必要な工具と部品

手順1 External Battery

Lenovo ThinkPad T470 Wi-Fi Card Replacement, External Battery: 手順 1、 3の画像 1

Lenovo ThinkPad T470 Wi-Fi Card Replacement, External Battery: 手順 1、 3の画像 2

Lenovo ThinkPad T470 Wi-Fi Card Replacement, External Battery: 手順 1、 3の画像 3

Before you begin this guide, make sure to disable the internal battery, power down your device, and disconnect from any external power sources.
Place the laptop so that the bottom is facing upwards.
Slide the latch on the left side of the battery to the left until it clicks in place.

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手順2

Lenovo ThinkPad T470 Wi-Fi Card Replacement: 手順 2、 3の画像 3

Slide the latch on the right side of the battery to the right and hold it in place with your thumb.
Use your other hand to slide the battery towards the back of the laptop.
Lift the battery up and away from the laptop.

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手順3 Bottom Cover

Lenovo ThinkPad T470 Wi-Fi Card Replacement, Bottom Cover: 手順 3、 2の画像 1

Lenovo ThinkPad T470 Wi-Fi Card Replacement, Bottom Cover: 手順 3、 2の画像 2

Use a Phillips #1 screwdriver to loosen the six captive screws on the bottom cover of the laptop.

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手順4

Lenovo ThinkPad T470 Wi-Fi Card Replacement: 手順 4、 3の画像 3

Use your hands to pull up on the back cover and release the plastic clips starting on the bottom side of the battery compartment.
Potential for device damage: Be sure to detach the plastic clips in this area first. You risk cracking the bottom cover if you attempt to detach it from around the edges of the laptop first.
Use your hands to pull up on the right side of the bottom cover to release the plastic clips.
Use your hands to pull up on the left side of the bottom cover to release the plastic clips.

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手順5

Remove the bottom cover from the laptop.
Disconnect the battery from the board before continuing.

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手順6 Wi-Fi Card

Lenovo ThinkPad T470 Wi-Fi Card Replacement, Wi-Fi Card: 手順 6、 2の画像 1

Lenovo ThinkPad T470 Wi-Fi Card Replacement, Wi-Fi Card: 手順 6、 2の画像 2

Use a finger to press the black flap covering the Wi-Fi card down.

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手順7

Use the flat end of a spudger to disconnect the two coaxial wires from the Wi-Fi card.
When reassembling, reattach the gray wire on the left and the black wire on the right.

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手順8

Use a Phillips #1 screwdriver to remove the single 4 mm screw from the Wi-Fi card.

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手順9

Use your fingers to lift the Wi-Fi card up and out of its slot.
This laptop does not include a WWAN card, but if yours does, follow the same procedure as Steps 6-9 to remove it.

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