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Dell Latitude 7420 Battery Replacement

Introducción

This guidance will provide how to replace a battery for Dell Latitude 7420.

If you are experiencing an issue with battery performance or swollen battery, this will show you how to replace the battery by yourself which result in extending the life of your laptop and contributing to saving the planet by reducing e-waste.

Prior to following this instruction, please confirm the power is shutdown on your laptop and disconnect any adapters and charging cable.

Please note the battery used in this instruction is 4 Cell 63 Whr ExpressChargeTM Capable Battery from Dell.

Qué necesitas

  1. Dell Latitude 7420 Battery Replacement, Battery: paso 1, imagen 1 de 2 Dell Latitude 7420 Battery Replacement, Battery: paso 1, imagen 2 de 2

    • Remove the eight 7 mm screws from the from the back panel using the Phillips #1 screwdriver.

    • Please prevent the static damage by working from anti-static mat or wearing anti-static bracelet or touch the metal with hands to discharge.

    Editar

  2. Dell Latitude 7420 Battery Replacement: paso 2, imagen 1 de 2 Dell Latitude 7420 Battery Replacement: paso 2, imagen 2 de 2
    Herramienta utilizada en este paso:
    Tweezers
    $4.99
    Comprar

    • Slide the opening pick in between the back cover and work your way around the edges to remove the back cover from the device.

    • Do not insert the pick tweezers too deep, since it may damage the other components on the motherboard.

    Editar

  4. Dell Latitude 7420 Battery Replacement: paso 3, imagen 1 de 2 Dell Latitude 7420 Battery Replacement: paso 3, imagen 2 de 2

    • Using the Phillips #1 screwdriver, remove the five 5 mm screws.

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  5. Dell Latitude 7420 Battery Replacement: paso 4, imagen 1 de 1

    • Disconnect the battery from the motherboard by gently pulling out the connector.

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  6. Dell Latitude 7420 Battery Replacement: paso 5, imagen 1 de 2 Dell Latitude 7420 Battery Replacement: paso 5, imagen 2 de 2

    • Remove the battery from the laptop.

    • Before removing the battery from the laptop, please remove the cables that are attached on the battery.

    Editar
Conclusión

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

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Hong Lee

Miembro Desde 05/11/21

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York University, Team S1-G15, Melo-Thaiss Summer 2021 Miembro de York University, Team S1-G15, Melo-Thaiss Summer 2021

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2 comentarios

Do you know if you can upgrade the battery i.e. go from 42 to 63? I noticed the voltages were different.

Andrew Violet - Contestar

One thing to be aware of is that if you order a replacement battery from Dell, they do NOT include the cable that connects the battery to the mobo! You need to reuse your old battery cable (and hope it's not bad).

Anna - Contestar

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