Fujitsu LifeBook E780 Guide D'utilisation page 106

Problem
You turn on your LifeBook
notebook and nothing
seems to happen.
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 24. 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 to determine the battery(s) condi-
are low. tion. See "Status Indicator Panel" on page 24. Use power adapter
to operate until a battery is charged or install a charged battery.
The power adapter is Verify that your adapter is connected correctly. See "Power
not plugged in properly. Sources" on page 46.
The power adapter (AC Try a different Power adapter or install a charged optional second
or auto/airline) is faulty. battery.
AC adapter has no Move the AC cord to a different outlet, check for a line switch or
power from AC outlet, tripped circuit breaker for the AC outlet. If you are using an
airplane seat jack, or 
auto/airline adapter in a car make sure the ignition switch is in the
car cigarette lighter. On or Accessories position.
Power management Press any button on the keyboard, or move the mouse to restore
parameters are set for operation. If that fails, push the Power/Suspend/Resume button.
auto timeouts which are Check your power management settings, or close your applica-
too short for your needs. tions and go to the Power Options Properties located in the Control
Panel to adjust the timeout values to better suit your needs.
You have a battery fail- Verify the condition of the batteries using the Status Indicator
ure. panel, and replace or remove any batteries that are shorted. See
"Status Indicator Panel" on page 24.
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 46.
ignored a low battery
alarm until the battery is
dead and the system
has gone into Dead Bat-
tery Suspend mode.
100 - Troubleshooting Your LifeBook