Fujitsu LifeBook NH751 User Manual page 85

Problem
You turn on your LIFE-
BOOK notebook and noth-
ing seems to happen.
(continued)
Your LIFEBOOK notebook
turns off all by itself.
Possible Cause Possible Solutions
The primary battery is Use the Status Indicator panel to verify the presence and condition
installed but is faulty. of the batteries. See "Status Indicator Panel" on page 20. If a bat-
tery is indicating a short, remove that battery and operate from
another power source or replace that battery.
The battery or batteries Check the Status Indicator Panel (see page 20) to determine the
are low. presence and condition of the batteries.Use a Power adapter to
operate until a battery is charged or install a charged battery.
The power adapter is Verify that your adapter (AC or auto/airline) is connected correctly.
not plugged in properly. See "Power Sources" on page 33.
The power adapter has Move the AC cord to a different outlet, check for a line switch or
no power from the AC tripped circuit breaker for the AC outlet. If you are using an
outlet, airplane seat auto/airline adapter in a car make sure the ignition switch is in the
jack, or cigarette lighter. On or Accessories position.
The power manage- Press any button on the keyboard, or move the mouse to restore
ment parameters are operation. If that fails, push the Power/Suspend/Resume button.
set for auto timeouts Check your power management settings, or close your applica-
which are too short for tions and go to the Power Options Properties located in the Con-
your operating needs. trol Panel to adjust the timeout values to better suit your needs.
You have a battery 
Verify the battery condition using the Status Indicator panel (see
failure. page 20), and replace or remove any batteries that are shorted.
You are operating on Install a power adapter and then push the Power/Sus-
battery power and pend/Resume button. See "Power Sources" on page 33.
ignored a low battery
alarm until the battery is
dead and the system
has gone into Dead Bat-
tery Suspend mode.
Your power adapter has Make sure the adapter is plugged in and the outlet has power.
failed or lost power.
79 - Troubleshooting