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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: 步骤 2 中的图像 1，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove Battery: 步骤 2 中的图像 2，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove Battery: 步骤 2 中的图像 3，3

    • 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: 步骤 3 中的图像 1，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove the access panel: 步骤 3 中的图像 2，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Remove the access panel: 步骤 3 中的图像 3，3

    • 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: 步骤 4 中的图像 1，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement: 步骤 4 中的图像 2，3 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement: 步骤 4 中的图像 3，3

    • 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: 步骤 5 中的图像 1，1

    • 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.: 步骤 6 中的图像 1，2 Dell Latitude E6440 CMOS/Coin Cell Battery Replacement, Reassemble your device.: 步骤 6 中的图像 2，2

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

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结论

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

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Aaron Thomas

于02/16/21注册

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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?

Nik - 回复

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