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Chapter 5 — Power Management
Power Management
Battery Calibration
The first time you use a battery, you should calibrate it. The calibration process empties and charges the
battery several times. This allows the Windows battery gauge to accurately monitor battery status. To calibrate
a battery, follow these steps:
1.
Plug in the AC adapter.
2.
Restart the computer and when the startup screen appears, press <F2> to enter the BIOS Setup
Utility.
3.
In the BIOS Setup Utility, select Exit. Choose Battery Calibration, then press <Enter>.
Please make sure that AC adapter & Battery are present. Do you wish to do
battery auto-learning?
4.
Press <Y> at the above Battery Calibration dialog to begin the battery calibration.
Battery Calibration will take from 6 to 10 hours, depending on how much power the battery may already
contain.
Note: For optimum performance, we recommend calibrating the battery again every three
months. Each time you charge and discharge a battery, it loses a tiny part of its
storage capacity, so that, over time, it will store less than its potential charge.
Similarly, if you do not use the battery for a few days, it will slowly self-discharge,
and when it is recharged, it will hold less than 100% of the potential charge.
(y/n)
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