Fujitsu LifeBook E780 Guide D'utilisation page 110

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Problem
The Display is dark when on
battery power.
You have connected an
external monitor and it does
not display any information.
You have connected an
external monitor and it does
not come on.
Miscellaneous Problems
Error message is displayed
on the screen during the
operation of an application.
Possible Cause
Possible Solutions
Power Management util-
Press [Fn] + [F7] to increase brightness or double-click on the bat-
ity default is set on low
tery gauge and adjust Power Control under battery settings.
brightness to conserve
power.
Your external monitor is
Reinstall your device. See "External Video Port" on page 91.
not properly installed.
Your operating system is
Check your device and operating system documentation and acti-
not set up with the 
vate the proper driver.
correct device driver.
Your external monitor is
See your monitor documentation and the External Monitor Support
not compatible with your
portions of the Specifications section. See "Specifications" on
LifeBook notebook.
page 125.
Application software
See your application manual and help displays screens for more
often has its own set of
information. Not all messages are errors some may simply be sta-
error message displays.
tus.
104 - Troubleshooting Your LifeBook

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