Miscellaneous Problems; Possible Solutions - Fujitsu LifeBook UH900 User Manual

Problem
The display goes blank by
itself after you have been
using it.
(continued)
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 have connected an
external monitor and it
does not come on.

Miscellaneous Problems

Error message displayed
during the operation of an
application.
Possible Cause
Power management timeouts
may be set for short intervals
and you failed to notice the
display toggle on and off.
If the spots are very tiny and
few in number, this is normal
for a large LCD display.
If the spots are numerous or
large enough to interfere with
your operation needs.
The Power Management util-
ity default is set on low bright-
ness to conserve power.
Your BIOS setup is not set to
enable your external monitor.
Your external monitor is not
properly installed.
Your operating system is not
setup with the correct soft-
ware driver for that device.
Your external monitor is not
compatible with your LifeBook
notebook.
Application software often has
its own set of error message
displays.
74 - Troubleshooting

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)
This is normal; do nothing.
Display is faulty; contact your support representative.
[" / ']
Press [Fn] + to increase brightness or double-click on
the battery gauge and adjust Power Control under battery
settings.
Toggle the video destination by pressing [Fn] + [_ / -]
together, or check the BIOS setup to enable your external
monitor. (See Video Features submenu within the Advanced
Menu of the BIOS. See "BIOS Setup Utility" on page 47.
Reinstall your device. See "External Video Port" on page 63.
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 "Specifi-
cations" on page 89.
See your application manual and help displays screens for
more information. Not all messages are errors some may
simply be status.