Toshiba A55 ユーザーズマニュアル

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Getting Started
Charging the main battery
5.375 x 8.375 ver 2.3
Damaged power cables can cause fire or electric shock. Never 
modify, forcibly bend, place heavy objects on top of, or apply 
heat to the power cable.
If the power cable becomes damaged or the plug over-
heats, discontinue use. There is a risk of electric shock.
Never remove the power plug from the outlet with wet hands. 
Doing so may cause an electric shock.
Charging the main battery
To charge the main battery, plug the computer into a live wall 
outlet. It takes several hours to charge the battery with the 
computer off. It takes much longer to charge the battery while 
the computer is on. For more information on battery use, see 
Once the battery is charged for the first time, avoid leaving the 
computer plugged in and turned off for more than a few hours 
at a time. Continuing to charge a fully charged battery can 
damage the battery.
TECHNICAL NOTE: When your computer is using all of the 
power provided by the AC Adaptor to run applications, 
features, and devices, the recharging of the battery can not 
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.