High spec business laptop introduced in 2013. One of the first business laptops launched with Intel Haswell processors. This allows the E6540 to have 4+ hours on the 6 cell, and 7+ on the 9 cell battery. The 4 is short for 4th gen core series processors.

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How do I change the CMOS Battery?

A previous administrator has set the Admin password. I need to pull the battery to reset the BIOS. I would like a breakdown of the laptop to the point I can change the battery.

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Robert Griffith, here is how to get to the battery. Your laptop is to new for this. Your password will not reset by removing the battery. It is stored on an IC that will not reset. check on here

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Robert Griffith will be eternally grateful.
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