Toshiba SATELLITE U500 Manuel d'utilisateur télécharger pdf (Page 111)

User’s Manual 6-7

Satellite U500/U500D, Satellite Pro U500/U500D

The Battery indicator may show a rapid decrease in battery operating time

when you try to charge a battery under the following conditions:

■ The battery has not been used for a long time.

■ The battery has completely discharged and been left in the computer for

a long time.

■ A cool battery is installed in a warm computer.

In such case, follow the steps below.

1. Fully discharge the battery by leaving it in the computer with the power

on until the power automatically shuts off.

2. Plug in the AC adaptor.

3. Charge the battery until the Battery indicator glows white.

Repeat these steps two or three times until the battery recovers normal

capacity.

Monitoring battery capacity

Remaining battery power can be monitored using the following methods.

■ Clicking the battery icon on the task bar

■ Via the Windows Mobility Center window

Leaving the AC adaptor connected will shorten battery life. At least once a

month, run the computer on battery power until the battery is fully

discharged, then recharge the battery.

■ Wait at least 16 seconds after turning on the computer before trying to

monitor the remaining operating time. The computer needs this time to

check the battery’s remaining capacity and to calculate the remaining

operating time, based on the current power consumption rate and

remaining battery capacity. The actual remaining operating time may

differ slightly from the calculated time.

■ With repeated discharges and recharges, the battery’s capacity will

gradually decrease. Therefore, an often used, older battery will not

operate for as long as a new battery even when both are fully charged.

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Toshiba SATELLITE U500 Manuel d'utilisateur Page 111