Fujitsu LifeBook UH900 User Manual page 71

Problem
Your LifeBook notebook
turns off all by itself.
Your LifeBook notebook
will not work on battery
alone.
The battery seems to 
discharge too quickly.
Possible Cause
The power management
parameters are set for auto
timeouts which are too short
for your operating needs.
You are operating on battery
power and ignored a low bat-
tery alarm until the battery
was at the dead battery state
and the system has entered
Dead Battery Suspend mode.
You have a battery failure.
Your power adapter has failed
or lost its power source.
The installed battery is dead.
No battery is installed.
The battery is improperly
installed.
Your installed battery is faulty.
Battery has been exposed to
high temperatures.
The power savings features
may be disabled.
71 - Troubleshooting
Possible Solutions
Press any button on the keyboard, or move the mouse to
restore operation. If that fails, push the Power/ Suspend/
Resume button. Check your power management settings, or
close your applications and go to the Power Options located
in the Control Panel to adjust the timeout values to better suit
your needs.
Install a power adapter, then push the Power/Sus-
pend/Resume button. See "Power Sources" on page 43.
Verify the condition of the battery using the Status Indicator
panel. If the battery is shorted, replace or remove it. See
"Status Indicator Panel" on page 24.
Make sure the adapter is plugged in and the outlet has
power.
Replace the battery with a charged one or install a power
adapter.
Install a charged battery.
Verify that the battery is properly connected by re-installing it.
Verify the condition of the battery using the Status Indicator
panel and replace or remove any batteries that are shorted.
See "Status Indicator Panel" on page 24.
Replace the battery.
Check the Power Options menu settings and adjust accord-
ing to your operating needs.