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If you own one of these laptops, it is likely you need this guide because your current battery is too weak (common i7 spec problem) 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 will be required. This is not required for Windows 8.1 Pro systems since the key is stored in the BIOS and the only sticker is a tamper evident one on the service panel.

  1. 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.
    • 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.

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

  3. Nintendo Switch 키트

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    게임으로 돌아가기 위한 빠른 해결책

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  4. Windows 7 systems have a COA under the battery. Windows 8.x systems have a tamper evident label on the service panel (product key in BIOS). Extended runtime batteries will stick out of the system. Remove the battery. Pull the battery up from the back.
    • Windows 7 systems have a COA under the battery. Windows 8.x systems have a tamper evident label on the service panel (product key in BIOS).

    • Extended runtime batteries will stick out of the system.

    • Remove the battery. Pull the battery up from the back.

  5. This step does not apply yet if used as a prerequisite. Align the battery with the tabs on the back of the laptop. Once done, drop the battery in place and it should lock in. If needed, put light pressure on the battery. Align the battery with the tabs on the back of the laptop. Once done, drop the battery in place and it should lock in. If needed, put light pressure on the battery.
    • This step does not apply yet if used as a prerequisite.

    • Align the battery with the tabs on the back of the laptop. Once done, drop the battery in place and it should lock in. If needed, put light pressure on the battery.

  6. This step does not apply if used as a prerequisite.
    • This step does not apply if used as a prerequisite.

    • Turn the computer on and plug the charger in.

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