7
Getting to Know Your LifeBook
running the notebook on its
battery
This section describes the steps to run the
notebook on its internal standard battery.
1. disconnect the ac adapter from your
notebook and press the power button.
(This picture is for illustration purpose only and may
look different from the actual unit)
The power level of the battery decreases
faster when it is used in a cold place.
The chargeability of the battery decreases
after it has been used over a long period
of time. If the battery runs down very fast,
replace it with a new battery.
checking the power level of
the battery
checking the power level of the
battery
When the power is turned off, the status
display LEDs are all OFF except for
during battery charging.
1. Built-in Battery Pack charging
Lamp (
)
This lamp indicates charging status of built-
in battery when AC adaptor is connected to
PC.
• Blue lamp is lit
Charging completed.
• Amber lamp is lit
Charging
• Blue and Amber lamp flashes
Charging stopped (due to battery
temperature alarm, etc. [Note 1])
• OFF
No charging due to disconnected AC
adaptor.
Power button
