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Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement

Introduction

It may be a collective thought to think that replacing this port may prove difficult, however, it is a lot simpler than it may seem.

The power port is critical for this device's functionality, as there is no alternative method for providing power to this device such as a docking station or quick battery swapping.

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  1. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Base Cover: étape 1, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Base Cover: étape 1, image 2 de 2

    • Remove the eight M2 5mm screws that secure the base cover using a Phillips #0 screwdriver.

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  2. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 2, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 2, image 2 de 2

    • Loosen the three captive screws that secure the base closer to the hinges.

    • Do not attempt to remove the three captive screws! You need only to loosen them. They're supposed to stay on the base cover.

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  3. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 3, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 3, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 3, image 3 de 3

    • Carefully pry the base cover using an iFixit opening tool in the crevice near the hinges. Guide the pick along the edges and slightly lift upwards as you go along.

    • Do not start from the speaker end of the edges when opening, or you may cause further damage to your device!

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  4. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 4, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 4, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 4, image 3 de 3

    • Carefully remove the base cover from the laptop.

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  5. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Wireless Card (NIC): étape 5, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Wireless Card (NIC): étape 5, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Wireless Card (NIC): étape 5, image 3 de 3

    • Remove the screw holding down the small bracket for the wireless card using a Phillips #0 screwdriver.

    • Remove the black wired connection from the port over the black triangle.

    • Remove the wire with the white marking from the port above the white triangle.

    • Pull the Wi-Fi card out of its slot.

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  6. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Fan: étape 6, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Fan: étape 6, image 2 de 2

    • Gently remove the I/O cable.

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  8. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 7, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 7, image 2 de 2

    • Remove the fan cable from the motherboard.

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  9. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 8, image 1 de 1

    • Remove two 3 mm screws that secure the fan using a Phillips #0 screwdriver.

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  10. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 9, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 9, image 2 de 2

    • There is a little piece of tape/sticker on the fan that connects it to the heat sink. Gently remove this.

    • Lift the fan off the palm rest assembly.

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  11. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Heatsink: étape 10, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Heatsink: étape 10, image 2 de 2

    • Loosen seven 3 mm captive screws securing the heatsink to the motherboard using a Phillips #0 screwdriver.

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  12. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 11, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 11, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 11, image 3 de 3

    • Lift the heatsink off the motherboard.

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  13. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Display Assembly: étape 12, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Display Assembly: étape 12, image 2 de 2

    • Ensure that you have your device opened flat at a 180 degree angle. This will make removal easier.

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  14. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 13, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 13, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 13, image 3 de 3
    Outil utilisé dans cette étape :
    Tweezers
    $4.99
    J'achète

    • Locate the ribbon cables for the assembly on the right hand side marked "MB1" and "MB2."

    • The "MB1" ribbon is locked with a copper/brass colored handle that must be lifted upwards. Then you can remove the ribbon by pulling it away from the socket.

    • The "MB2" ribbon is locked in its socket with a black latch. Using a non-metallic precision tool (such as tweezers) lift the latch and pull away the MB2 cable.

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  15. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 14, image 1 de 1

    • Remove the two screws holding down the assembly on the right hand area using a Phillips #00 screwdriver.

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  16. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 15, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 15, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 15, image 3 de 3

    • Remove the screw protecting the endpoints of the NIC cables and NIC chip using a Phillips #0 screwdriver.

    • Gently pull away the cabling from the NIC chip.

    • The wires can be removed without removing the heat sink, though this is not advised if you are not familiar with the layout.

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  17. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 16, image 1 de 1

    • Remove the two screws holding down the bracket of the assembly on the left hand side using a Phillips #0 screwdriver.

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  18. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 17, image 1 de 2 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement: étape 17, image 2 de 2

    • Lift the display assembly upwards away from the palm/main assembly.

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  19. Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Charging Port: étape 18, image 1 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Charging Port: étape 18, image 2 de 3 Dell Inspiron 17" 7786 2-in-1 Charging Port Replacement, Charging Port: étape 18, image 3 de 3

    • Remove the single 3 mm screw that secures the port using a Phillips #0 screwdriver.

    • Disconnect the cable from the port by gently wiggling and pushing the plug away from the port.

    • Pull the disconnected cable upwards, and the rest of the power port will follow.

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Conclusion

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

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Antonio Franco

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