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Dell Latitude E6440 CMOS/Coin Cell Battery Replacement

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    • Make sure all external components are removed from the device( ie. USBs, power cords, network cables, headphones, etc.) and the device is powered off.

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  2. Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove Battery: étape 2, image 1 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove Battery: étape 2, image 2 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove Battery: étape 2, image 3 de 3

    • Slide the battery release latches into the unlock position. Then, rotate the outer edge of the battery upward and remove from the system.

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  4. Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove the access panel: étape 3, image 1 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove the access panel: étape 3, image 2 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove the access panel: étape 3, image 3 de 3

    • After removing the battery, remove the screws securing the access panel in place. Then, lift the top edge of the access panel upward and remove the access panel.

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  5. Dell Latitude E6440 CMOS/Coin Cell Battery Replacement: étape 4, image 1 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement: étape 4, image 2 de 3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement: étape 4, image 3 de 3

    • After removing the access panel, locate the CMOS battery in the mid-left section of the panel. Careful disconnect the CMOS battery cable from the system, then pry the CMOS battery upward to remove. NOTE: Remember not to touch any of the system components when the panel is open, as doing so could damage your system via electrostatic discharge.

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  6. Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Replace CMOS Battery: étape 5, image 1 de 1

    • Using your replacement battery, carefully connect the CMOS battery to the system.

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  7. Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Reassemble your device.: étape 6, image 1 de 2 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Reassemble your device.: étape 6, image 2 de 2

    • Now that you have replaced your CMOS battery, reassemble your device by completing all previous steps in reverse order.

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Conclusion

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

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Aaron Thomas

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What is the problem with my Dell latitude E6440, it starts up but the screen won't show anything and how can I fix it?

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