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Power Management
Battery Calibration
The first time you use a battery, you should calibrate it. The calibration process
empties and charges the battery once. 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 Del key to
enter the BIOS Setup Utility.
3. In the BIOS Setup Utility, select Power Management Setup , choose Battery
Auto Calibration, then press <Fn><PgDn>.
Please make sure that AC adapter & Battery are present?
Do you wish to do the battery auto-learning?
Yes.
No. (System Reboot)
4. Press <Y> at the above Battery Auto Calibration dialog to begin the battery
calibration. Please press [Space Bar] to select option, and [Enter] to continue.
Battery Calibration will take from 8 to 10 hours, depending on how much power the
battery may already contain.
Note: For optimum performance, we recommend
calibrating the battery 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 may hold less than 100% of the
potential charge.