Power Failures - Fujitsu Lifebook N3510 User Manual

Problem

Power Failures

You turn on your
LifeBook notebook and
nothing seems to
happen.
Your LifeBook note-
book turns off all by
itself.
Your LifeBook note-
book will not work on
battery alone.
Possible Cause
The installed primary battery is
completely discharged, there is no
optional second battery installed
or there is no power adapter (AC
or Auto/Airline) installed.
The primary battery is installed
but is faulty.
The battery is low.
The power adapter (AC or auto/
airline) is not plugged in properly.
The power adapter (AC or auto/
airline) has no power from the
AC outlet, airplane seat jack, or
the car's cigarette lighter.
The power adapter (AC or auto/
airline) is faulty.
You have a battery failure.
The power management parame-
ters are set for auto timeouts
which are too short for your oper-
ating needs.
You are operating on battery
power and ignored a low battery
alarm until the battery is at dead
battery state and the system has
entered Dead Battery mode.
Your power adapter has failed or
lost its power source.
The installed battery is dead.
No battery is installed.
The battery is improperly
installed.
T r o u b l e s h o o t i n g
Possible Solutions
Check the Status Indicator Panel to determine the
presence and condition of the batteries. (See Status
Indicator Panel on page 14 for more information)
Install a charged battery or a power adapter.
Use the Status Indicator panel to verify the presence
and condition of the batteries. (See Status Indicator
Panel on page 14 for more information) If a battery is
indicating a short, remove that battery and operate
from another power source or replace that battery.
Check the Status Indicator Panel to verify the pres-
ence and condition of the battery. (See Status Indi-
cator Panel on page 14 for more information) Use an
AC adapter to operate until a battery is charged or
install a charged battery.
Verify that your adapter is connected correctly. (See
Power Sources on page 27 for more information)
Move the AC cord to a different outlet, check for a
line switch or tripped circuit breaker for the AC
outlet. If you are using an auto/airline adapter in a
car make sure the ignition switch is in the On or
Accessories position.
Try a different power adapter or install a charged
optional second battery.
Verify the condition of the batteries using the Status
Indicator Panel, and replace or remove any batteries
that are shorted. (See Status Indicator Panel on
page 14 for more information)
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 menu of the setup utility to
adjust the timeout values to suit your needs.
Install a power adapter or a charged battery, then
push the Power/Suspend/Resume button. (See Power
Sources on page 27 for more information)
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.
67