Introduction

Use this guide to replace the charging port in your Dell Latitude 7490.

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    • Allow your laptop's battery to drain below 25% before starting this repair—a charged battery may catch fire if damaged.

    • Unplug all cables and fully shut down your laptop.

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    • Flip your laptop over so the rubber feet strips are facing up.

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    • Use a Phillips screwdriver to fully loosen the eight captive screws securing the back cover.

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    • Plastic clips secure the back cover to the frame. You'll hear and feel them release as you work.

    • Insert the long side of an opening pick between the top right corner of the back cover and frame.

    • Pry the back cover up to release the clips securing the top right corner.

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    • Slide the opening pick down the right edge and around the bottom right corner to release the clips.

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    • Slide the opening pick along the front edge and up to the top left corner to release the remaining clips securing the back cover.

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    • Remove the back cover.

    • During reassembly, lay the back cover on the frame and press down firmly around the perimeter to engage all the clips.

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    • Grip the plastic tab on the battery connector and pull straight up to disconnect it.

    • During reassembly, align this connector over its socket and press down until it clicks into place. If it doesn't connect, re‑align it and try again.

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    • Use a Phillips screwdriver to remove the 3.8 mm‑long screw securing the charging port bracket.

    • Remove the bracket.

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    • Grip the charging port cable just below its connector.

    • Pull the connector straight out of its socket and remove the charging port.

Conclusion

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

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

Spencer Day

Member since: 14/09/22

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