Power
Hardware and Software Guide
2–28
To fully discharge a battery pack:
1. Right-click the
Power Meter
icon on the notification area
and select
Adjust Power Properties.
– 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 4 settings in the Plugged In column and
the 4 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 8 options (4 in each
column) to
Never.
4. Select
OK.
5. Disconnect the tablet PC from the external power source, but
do
not
turn off the tablet PC.
6. Run the tablet PC 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 tablet PC shuts down.