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Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement

Introduction

This is a guide to replace the Wi-Fi card on the Samsung Notebook 7 Spin NP740U3MK01US. However, it is extremely difficult to replace the Wi-Fi card itself so this guide shows how to replace the whole USB board that the Wi-Fi card is attached to. If you are unable to connect to a wireless network use this guide to replace your Wi-Fi card.

What you need

  1. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement, Battery: step 1, image 1 of 1

    • Flip your laptop over so that the back is face up.

    Edit

  2. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 2, image 1 of 2 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 2, image 2 of 2

    • Use a Phillips #00 screwdriver to remove the four 6.5mm screws and the six 4.5mm screws that secure the back plate.

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  3. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 3, image 1 of 2 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 3, image 2 of 2

    • Use a plastic opening tool to remove the back plate from the laptop.

    • It is recommended that you start from a corner then run the tool along the edge of the back plate.

    Edit

  5. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 4, image 1 of 2 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 4, image 2 of 2

    • Use a Phillips #00 screwdriver to remove the three 4.5 mm screws holding the battery in place.

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  6. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 5, image 1 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 5, image 2 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 5, image 3 of 3

    • Use a spudger to pry the battery connecting cable from the laptop and remove the battery.

    • Using the metal spudger may severely damage the internal components in your device.

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  7. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement, Wi-Fi Card: step 6, image 1 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement, Wi-Fi Card: step 6, image 2 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement, Wi-Fi Card: step 6, image 3 of 3

    • Use the Phillips #00 screwdriver to remove the two 4.5mm screws holding the cover plate in place.

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  8. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 7, image 1 of 2 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 7, image 2 of 2

    • Remove the black ribbon cable by pulling up on the black cover and sliding out the cable.

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  9. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 8, image 1 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 8, image 2 of 3 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 8, image 3 of 3

    • Remove the three black and white cables by gently pulling on them.

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  10. Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 9, image 1 of 2 Samsung Notebook 7 Spin NP740U3MK01US Wi-Fi Card Replacement: step 9, image 2 of 2

    • Use the Phillips #00 screwdriver to remove the two 4.5mm screws holding the USB board down and remove the board.

    Edit
Conclusion

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

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