30 Using a Battery
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4
To 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.
5
When 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.
6
Connect the AC adapter to your computer.
7
Allow 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
1
Connect the computer to an electrical outlet.
2
Turn on (or restart) the computer.
3
When 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.
4
Using the down-arrow key, select
Battery Info
.
• 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.
5
Ensure that the battery status light is off.