Miscellaneous Problems - Fujitsu Lifebook E752 User Manual

Problem
The display goes blank by
itself after you have been
using it.
(continued)
Your display won't turn on
when the system is turned
on or when it has resumed.
The display does not close.
The display has bright or
dark spots.
The display is dark when on
battery power.
You have connected an
external monitor and it does
not display any information.
You connected a monitor
and it does not come on.

Miscellaneous Problems

Error message is displayed
on the screen during the
operation of an application.
Possible Cause
Power management timeouts
may be set for short intervals
and you didn't notice the dis-
play come on and go off.
The system may be pass-
word-protected.
A foreign object is stuck
between the display and key-
board.
If the spots are very tiny and
few, this is normal for a large
LCD display.
If the spots are numerous or
large enough to interfere with
your operation needs.
Power Management utility
default is set on low bright-
ness to conserve power.
Your external monitor is not
properly installed.
Your operating system is not
set up with the correct driver.
The external monitor is not
compatible with your system.
Application software often
has its own set of error mes-
sage displays.
Possible Solutions
Press any button on the keyboard, or move the mouse to restore operation. If that
fails, push the Power/Suspend/Resume button. (The display may be shut off by
Sleep Mode, Auto Suspend or Video Timeout)
Check the status indicator panel to verify that the Security icon is blinking. If it is
blinking, enter your password.
Remove all foreign objects from the keyboard.
This is normal; do nothing.
Display is faulty; contact your support representative.
Press [Fn] + [F7] to increase brightness or double-click on the battery gauge
and adjust Power Control under battery settings.
Reinstall your device. See "External Video Port" on page 81.
Check your device and operating system documentation and activate the
proper driver.
See your monitor documentation and the External Monitor Support portions of
the Specifications section. See "Specifications" on page 115.
See your application manual and help displays screens for more information.
Not all messages are errors some may simply be status.
96 - Troubleshooting