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简介

A faulty wireless card can affect wireless connection. This guide will show the user how to replace the wireless card.

  1. Dell Latitude E6420 Wireless Card Replacement, Battery: 步骤 1 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement, Battery: 步骤 1 中的图像 2,2
    • Push the tabs on the left and right of the battery out towards the edge of the case.

  2. Dell Latitude E6420 Wireless Card Replacement: 步骤 2 中的图像 1,1
    • While still pushing in the tabs, using your pinky finger, lift the battery out of the laptop.

  3. Dell Latitude E6420 Wireless Card Replacement, CD/DVD Drive: 步骤 3 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement, CD/DVD Drive: 步骤 3 中的图像 2,2
    • Push the button in on the CD/DVD drive to eject the drive.

  4. Dell Latitude E6420 Wireless Card Replacement: 步骤 4 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement: 步骤 4 中的图像 2,2
    • Slide the drive out of the laptop.

    • When removing the drive, keep it flat to prevent damage to anything inside the laptop.

  5. Dell Latitude E6420 Wireless Card Replacement, Backplate: 步骤 5 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement, Backplate: 步骤 5 中的图像 2,2
    • Using the screwdriver, remove seven 4mm Phillips #1 screws from the bottom of the laptop.

    • Using the screwdriver, remove two 9mm Phillips #00 screws from the bottom of the laptop.

  6. Dell Latitude E6420 Wireless Card Replacement: 步骤 6 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement: 步骤 6 中的图像 2,2
    • Gently lift the back plate off of the laptop making sure all of the tabs on the inside perimeter of the back plate are unhooked before lifting.

    • Be careful when removing the backplate. Lifting the backplate while the tabs are still hooked in will result in broken tabs.

  7. Dell Latitude E6420 Wireless Card Replacement, Wireless Card: 步骤 7 中的图像 1,2 Dell Latitude E6420 Wireless Card Replacement, Wireless Card: 步骤 7 中的图像 2,2
    • Using the screwdriver, remove two 4mm JIS #0 screws.

  8. Dell Latitude E6420 Wireless Card Replacement: 步骤 8 中的图像 1,3 Dell Latitude E6420 Wireless Card Replacement: 步骤 8 中的图像 2,3 Dell Latitude E6420 Wireless Card Replacement: 步骤 8 中的图像 3,3
    • Disconnect 4 wires by pulling upward.

    • Gently remove the wires to prevent damaging them.

  9. Dell Latitude E6420 Wireless Card Replacement: 步骤 9 中的图像 1,1
    • Lift the wiring harness out of the way.

  10. Dell Latitude E6420 Wireless Card Replacement: 步骤 10 中的图像 1,3 Dell Latitude E6420 Wireless Card Replacement: 步骤 10 中的图像 2,3 Dell Latitude E6420 Wireless Card Replacement: 步骤 10 中的图像 3,3
    • The card will lift up, remove the card by pulling the lifted edge away from you.

结论

To reassemble your device, follow these instructions in reverse order.

另外一个人完成了本指南。

Madysen Eames

于2018年02月27日注册

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