Dell Latitude E6540 Battery Replacement

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Introduction

If you own one of these laptops, it is likely you are referencing it because it came with the i7/Radeon 8790M configuration and a 6 cell battery, or the battery in your system is worn out. This guide will show you how to replace the battery in the E6540.

Note: If you have a slice battery installed, this will need to be removed first.

Along with battery replacement instructions, this guide will show you where the Windows 7 COA on these laptops is placed. If you are not using Dell SLIC installation media, this key is required. On Windows 8 models, the key is stored in the BIOS and a tamper evident sticker is on the bottom of the computer stuck to the service panel externally.

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Étape 1 Hibernate your laptop

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Dell Latitude E6540 Battery Replacement, Hibernate your laptop: étape 1, image 2 de 2

It is possible to plug the laptop in to avoid hibernating the system.
Locate the Hibernate option in the Start menu and allow the laptop to save the contents to the hard drive.

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Étape 2 Unlock the battery

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Dell Latitude E6540 Battery Replacement, Unlock the battery: étape 2, image 2 de 2

Flip the laptop over, and unlock the 2 battery tabs. The tabs will remain unlocked until the battery is removed.

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Étape 3 Remove the old battery

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Dell Latitude E6540 Battery Replacement, Remove the old battery: étape 3, image 3 de 3

Extended runtime batteries "stick out" from the rear of the system on this model.
Remove the battery. Pull the battery up from the back.

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Étape 4 Install your new battery

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This step does not apply if used as a prerequisite.
Align the battery with the tabs on the chassis. Drop the battery in place once lined up. If needed, use light pressure to seat it in the computer.