Power
Hardware and Software Guide
2–29
To fully discharge a battery pack:
1. Select the
Power Meter
icon in the notification area.
– or –
Access the Power Schemes tab by selecting
Start > Control
Panel > Performance and Maintenance > Power
Options > Power Schemes
tab.
2. Make a note of the 2 settings in the
Plugged In
column and
the 2 settings in the
Running on Batteries
column so that
you can reset them after the calibration.
3. Use the drop-down lists to set the 4 options (2 in each
column) to
Never.
4. Select
OK.
5. Disconnect the notebook from the external power source, but
do
not
turn off the notebook.
6. Run the notebook on battery power until the battery pack is
fully discharged. The battery light begins to blink when the
battery pack has discharged to a low-battery condition. When
the battery pack is fully discharged, the battery light is turned
off and the notebook shuts down.