Power
How to Calibrate
To calibrate a battery pack, you must fully charge, fully discharge, and then fully recharge the battery pack.
Charging the Battery Pack
Charge the battery pack while the notebook is on. To charge the battery pack:
1.Insert the battery pack into the notebook.
2.Connect the notebook to external power through the
AC adapter or an optional automobile or aircraft adapter. (The notebook battery light is on as the battery pack charges.)
3.Leave the notebook connected to external power until the battery pack is fully charged. (The notebook battery light is turned off.)
Discharging the Battery Pack
ÄCAUTION: To prevent loss of work, save your work before beginning an unattended discharge procedure.
The notebook must remain on throughout the discharge process. The battery pack can discharge whether or not you are using the notebook, but the battery pack will discharge faster if the notebook is in use.
If you use the notebook occasionally during the discharge process described below and have set
■Any unsaved work from your current session will be lost when the battery pack is fully discharged and the notebook is shut down.
■The system will not turn off a connected optional monitor.
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