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Dell Latitude 7390 Wi-Fi Card Replacement

简介

If you need to replace the Wi-Fi chip within your Dell latitude 7390, follow this guide.

Before beginning this repair, be sure to power off your laptop and disconnect from the power adapter.

你所需要的

  1. Dell Latitude 7390 Wi-Fi Card Replacement, Bottom Panel: 步骤 1 中的图像 1，1

    • Orient your Dell Latitude 7390 laptop so that it is facing towards you as if you're going to open it.

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  2. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 2 中的图像 1，3 Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 2 中的图像 2，3 Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 2 中的图像 3，3

    • Flip your laptop over so that the bottom is facing up.

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  3. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 3 中的图像 1，1

    • Using your Phillips #1 screwdriver, remove the eight 6 mm screws around the border of the bottom panel.

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  4. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 4 中的图像 1，2 Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 4 中的图像 2，2

    • Using an opening tool or picks, work your way around the periphery and pry the back case off.

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  6. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 5 中的图像 1，1

    • Finally, lift the back panel off to uncover the inside of your Dell Latitude 7390.

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  7. Dell Latitude 7390 Wi-Fi Card Replacement, Battery: 步骤 6 中的图像 1，1

    • Make sure the laptop is turned OFF and unplugged from the power adapter before taking the battery out.

    • Use the Phillips #1 screwdriver to remove the five 6 mm screws holding the battery in place along the edges of the battery.

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  8. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 7 中的图像 1，3 Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 7 中的图像 2，3 Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 7 中的图像 3，3

    • Be careful not to break the connector by pulling too hard on the black tab.

    • Pull the black tab on the top of the connector to unplug the battery from the motherboard.

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  9. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 8 中的图像 1，1

    • Carefully lift the battery out of the laptop.

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  10. Dell Latitude 7390 Wi-Fi Card Replacement, Wi-Fi Card: 步骤 9 中的图像 1，2 Dell Latitude 7390 Wi-Fi Card Replacement, Wi-Fi Card: 步骤 9 中的图像 2，2

    • Using a Phillips #1 screwdriver, remove the 3 mm screw securing the Wi-Fi card.

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  11. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 10 中的图像 1，1

    • Detach the coaxial connectors from the Wi-Fi card with tweezers.

    • Before removing the wires, it is important to note the location of the corresponding connectors. When it comes to reconnecting the wires they will need to be placed in the correct port in order to function correctly.

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  12. Dell Latitude 7390 Wi-Fi Card Replacement: 步骤 11 中的图像 1，1

    • After the wires have been disconnected, pull the chip out of the connector and place the part aside.

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结论

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

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Glennjay Elayda

于02/22/22注册

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