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User’s Manual 6-11
Power
In such cases you should follow the steps as detailed below:
1. Fully discharge the battery by leaving it in the computer with the power
on until the system automatically switches itself off.
2. Connect the AC adaptor to the DC IN 15V jack of the computer, and to
a wall outlet that is supplying power.
3. Charge the battery until the Battery indicator glows blue.
Repeat these steps two or three times until the battery recovers normal
capacity.
Monitoring battery capacity
The remaining battery power can be monitored in the TOSHIBA Power
Saver.
Maximizing battery operating time
A battery’s usefulness depends on how long it can supply power on a
single charge, while how long the charge lasts in a battery depends on:
■ How you configure the computer in relation to its available power saving
options. The computer provides the ability to configure various power
saving settings through the TOSHIBA Power Saver, in order to
conserve battery power. As an overview these settings cover:
■ Processor speed
■ Screen brightness
■ System cooling method
■ System Standby Mode
■ System Hibernation Mode
■ Display power off period
■ Hard disk drive power off period
Leaving the AC adaptor continually connected will shorten battery life. At
least once a month you should run the computer on battery power until the
battery is fully discharged before you then recharge the battery.
■ You should wait for approximately fifteen seconds after turning on the
computer before trying to monitor the remaining operating time. This is
because the computer needs this time to check the battery’s remaining
capacity and then calculate the remaining operating time, based on this
together with the current power consumption.
■ Please be aware that the actual remaining operating time may differ
slightly from the calculated time.
■ With repeated discharges and recharges, the battery’s capacity will
gradually decrease. In view of this it will be noted that an often used,
older battery will not operate for as long as a new battery even when
both are fully charged. In this instance, the TOSHIBA Power Saver will
indicate a 100% charge for both the old and new battery, but the
displayed estimated time remaining will be shorter for the older battery.