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User’s Manual 6-7
Power and Power-up Modes
leak, battery pack performance might deteriorate and the battery life
might be shortened.
6. Be sure to monitor the remaining battery power. If the battery pack
and real time clock battery discharge completely. Sleep and hiberna-
tion will not function and data in memory will be lose. Also, the com-
puter might register an incorrect time and date. In this case, connect
the AC adaptor to recharge the batteries.
7. Never install or remove the battery pack without first turning off the
power and disconnecting the AC adaptor. Never remove the battery
pack while the computer in hibernate or sleep mode. Data will be lost.
Note
1. Never remove the battery pack while the Wake-up on LAN function is
enabled. Data will be lost. Before you remove a battery pack, disable
the Wake-up on LAN function.
2. To ensure the battery pack maintains maximum capacity, operate the
computer on battery power once a week until the battery pack is fully
discharged. Refer to the section Extending battery life in this chapter
for procedures. If the computer is continuously operated on AC power
for an extended period, more than a month, the battery might fail to
retain a charge. It might not function efficiently over the expected life
of the battery pack and Battery indicator might not indicate a low-bat-
tery condition.
3. After the battery pack is charged, avoid leaving the AC adaptor con-
nected and the computer turned off for more than a few hours at a
time. Continuing to charge a fully-charged battery pack can damage
the battery.
Charging the batteries
When the power in the battery pack becomes low, the Battery indicator
flashes orange indicating that only a few minutes of battery power remain.
If you continue to use the computer while the Battery indicator flashes, the
computer enables hibernation mode (so you don’t lose data) and
automatically turns off.
You must recharge a battery pack when it becomes discharged.
Procedures
To recharge a battery pack while it is installed in the computer, connect the
AC adaptor to the DC IN socket and plug the other end into a working
outlet.
The Battery indicator glows orange when the battery is being charged.
Use only the computer connected to an AC power source or the optional
TOSHIBA Batteries charger to charge the battery pack. Never attempt to
charge the battery pack with any other charger.