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110
Mobile Computing
Charging batteries
5.375 x 8.375 ver 2.3
TECHNICAL NOTE: When your computer is using all of the
power provided by the AC adapter to run applications,
features, and devices, the recharging of the battery cannot
occur. Your computer's Power Saver utility can be used to
select a power level setting that reduces the power required for
system operation and will allow the battery to recharge.
The battery may not start charging immediately under the
following conditions:
❖ The battery is extremely hot or cold.
To ensure that the battery charges to its full capacity, wait until
it reaches room temperature (50 to 80 degrees Fahrenheit,
10 to 26 degrees Celsius).
❖ The battery is almost completely discharged.
Leave the power connected and the battery should begin
charging after a few minutes.
HINT: Once the battery is fully charged, we recommend that
you operate your computer on battery power until the battery
discharges completely. Doing this extends battery life and
helps ensure accurate monitoring of battery capacity.
If the battery indicator light flashes amber during
charging, either the battery pack is malfunctioning, or it
is not receiving correct input from the AC power supply.
Disconnect the AC cable and remove the battery pack. See
“Changing the main battery” on page 118 for information on
replacing the main battery.
NOTE