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Calibrate notebook battery

Quite important. Do it the first time you start using the machine and then again every month-to-six-weeks or so. Calibrating the battery ensures the battery isn't overcharged or undercharged, both of which can lead to a shorter life span for the battery. It also ensures the computer can tell you just how much time you have left before you have to save your work and recharge when running on battery power. :)
 
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