Lenovo B575-1450 Wi-Fi Card Replacement

简介

A failing Wi-Fi card can be disastrous to a computers operations. It can prevent the laptop from accessing wireless resources and potentially cutting it off from the Internet. Removing and replacing the Wi-Fi card for this laptop is quick and easy.

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步骤 1 Battery

Lenovo B575-1450 Wi-Fi Card Replacement, Battery: 步骤 1 中的图像 1，1

Turn off the computer.
Disconnect the charger from the computer.
Flip the computer upside down.

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步骤 2

Push the right-hand switch outward into the "unlocked" position.

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步骤 3

Lenovo B575-1450 Wi-Fi Card Replacement: 步骤 3 中的图像 3，3

While holding the battery, use your other hand to push the left clip to the left and pull the battery out.

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步骤 4 Back Panel

Lenovo B575-1450 Wi-Fi Card Replacement, Back Panel: 步骤 4 中的图像 1，2

Lenovo B575-1450 Wi-Fi Card Replacement, Back Panel: 步骤 4 中的图像 2，2

The screws are captive to the back panel so they are not to be removed.
Using the Phillips #00 Screwdriver, Loosen the five 5.4 mm screws around the back panel from the laptop.

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步骤 5

Using a plastic opening tool, pry the back panel from the laptop.

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步骤 6

Pull the panel outward from the rest of the laptop. The inside of the laptop will be exposed. From here you can access the CD-ROM drive, hard drive, and Keyboard.

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