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To recharge the RTC battery, plug the computer into a live electrical
outlet and leave the computer powered on for 24 hours.
NOTE
The computer can be used while the RTC battery is being charged,
although the charging status of the RTC battery cannot be
monitored.
Monitoring battery power
The computer's battery light gives you an indication of the battery's
current charge.
❖
Glows amber while the battery is being charged
(AC adaptor connected)
❖
Glows red when the battery is fully charged
❖
Is unlit when the battery has discharged, the battery is not
charging, or the AC adaptor is not plugged into the computer or
AC outlet
NOTE
❖
Flashes amber when the battery charge is low and it is time to
recharge the battery or plug in the AC adaptor
NOTE
It is seldom necessary to charge the RTC battery because it charges
while the computer is on. If the RTC battery is low, the real-time
clock and calendar may display the incorrect time and date or stop
working.
When Hibernation mode is enabled and the RTC battery is
completely discharged, a warning prompts you to reset the real-time
clock.
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
If the DC-IN light flashes amber during charging, either a battery
pack is malfunctioning, or it is not receiving correct input from the
AC power supply.
Disconnect the AC power cord/cable and remove the battery pack.
See
"Changing the battery" on page 126
the battery.
Mobile Computing
Monitoring battery power
for information on replacing
119
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