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4To start the Battery Recalibration procedure, press <F1>.
The battery recalibration begins and the AC adapter charges the battery until the battery gauge on the battery information screen states 100% charged.
•The Battery Recalibration Process screen appears showing the functions (Charge or Discharge) on the left of the screen and the Battery Info charge status on the right of the screen.
•The AC adapter begins charging the battery. The Charge Battery to Full option is highlighted on the left of the screen. The battery charge information is displayed on the right of the screen.
•The AC adapter charges the battery until the battery gauge states 100% charged. The battery status light turns off after the battery is fully charged.
NOTE: A message prompting you to remove the AC adapter appears when the battery is fully charged.
5When prompted, disconnect the AC adapter.
The battery discharges until the battery gauge states 0% charged. The Discharge Battery to Empty option is highlighted on the left of the screen. When the battery is completely discharged, the computer automatically turns off.
6Connect the AC adapter to your computer.
7Allow the AC adapter to charge the battery until the battery status light turns off.
NOTE: You can operate your computer while the battery is charging. However, do not operate your computer using battery power until the battery is fully charged.
Recalibrating a Battery Through the System Setup Utility
1Connect the computer to an electrical outlet.
2Turn on (or restart) the computer.
3When the Dell Logo appears, press <F2> immediately. If you wait too long and the logo for the Microsoft® Windows® operating system appears, continue to wait until you see the Windows desktop. Then shut down your computer and try again.
NOTE: For information about a specific item on a System Setup screen highlight the item and see the Help area on the screen.
4Using the
•The Battery Info charge status is displayed on the right side of the screen.
•The AC adapter charges the battery until the battery gauge states 100% charged.
•The battery status light turns off after the battery is fully charged.
5Ensure that the battery status light is off.
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