Fujitsu LifeBook E780 Guide D'utilisation page 107

Problem
Your LifeBook notebook
turns off all by itself.
(continued)
Your LifeBook notebook will
not work on battery alone.
The batteries seem to 
discharge too quickly.
Shutdown and Startup Problems
The Suspend/Resume but-
ton does not work.
Possible Cause Possible Solutions
Your power adapter has Make sure the adapter is plugged in and the outlet has power.
failed or lost its power.
No battery is installed. Install a charged battery.
Installed battery is dead. Replace the battery with a charged one or install a power adapter.
The batteries are Verify that the batteries are properly connected by re-installing
improperly installed. them.
Your installed batteries Verify the condition of the batteries using the Status Indicator
are faulty. panel and replace or remove any batteries that are shorted. See
"Status Indicator Panel" on page 24.
You are running an Use both the primary battery and an optional second battery
and/or use a power adapter for this application when at all 
application that uses a
lot of power. possible.
The power savings fea- Check the Power Options menu settings and adjust according to
tures may be disabled. your operating needs.
The brightness is turned Turn down the brightness adjustment. The higher the brightness
all the way up. the more power your display uses.
The batteries are old. Replace the batteries.
Batteries were exposed Replace the batteries.
to high temperatures.
The batteries are too hot Restore the notebook to normal operating temperature. Charging
or too cold. icon on the Status Indicator panel will flash when battery is outside
of operating range.
There may be applica- Close all applications and try the button again.
tion software. conflict
101 - Troubleshooting Your LifeBook