Fujitsu LifeBook N Series Manual page 84

Problem
Power Failures
Your LifeBook Your installed battery is
notebook turns off faulty.
all by itself.
(continued)
The battery seems You are running an
to discharge too application that uses a
quickly. great deal of power due to
frequent hard drive or
media player drive access,
use of a modem card or a
LAN PC card.
The power savings
features may be disabled.
The brightness is turned
all the way up.
The battery is very old.
The battery has been
exposed to high
temperatures.
The battery is too hot or
too cold.
The Mode light is on
constantly.
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Possible Cause Possible Solution
Verify the condition of the battery using the
Status Indicator panel and replace or remove
any battery that is shorted.
Use both the primary battery and/or use a
power adapter for this application when at all
possible.
Check the power management and/or setup
utility settings in the Power Options menu and
adjust according to your operating needs.
Turn down the brightness adjustment. The
higher the brightness the more power your
display uses.
Replace the battery.
Replace the battery.
Restore the LifeBook to normal operating
temperature. The Battery Charging icon on the
indicator panel will flash when the battery is
outside operating range.
Turn off the Mode light by turning system
power off, then pressing the Power/Suspend/
Resume button for four or more seconds.