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74
- Troubleshooting
The display goes blank by
itself after you have been
using it.
(continued)
Power management timeouts
may be set for short intervals
and you failed to notice the
display toggle on and off.
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)
The display has bright or
dark spots.
If the spots are very tiny and
few in number, this is normal
for a large LCD display.
This is normal; do nothing.
If the spots are numerous or
large enough to interfere with
your operation needs.
Display is faulty; contact your support representative.
The Display is dark when
on battery power.
The Power Management util-
ity default is set on low bright-
ness to conserve power.
Press [Fn] +
[" / ']
to increase brightness or double-click on
the battery gauge and adjust
Power Control
under battery
settings.
You have connected an
external monitor and it
does not display any
information.
Your BIOS setup is not set to
enable your external monitor.
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.
Your external monitor is not
properly installed.
Reinstall your device.
See “External Video Port” on page 63.
Your operating system is not
setup with the correct soft-
ware driver for that device.
Check your device and operating system documentation and
activate the proper driver.
You have connected an
external monitor and it
does not come on.
Your external monitor is not
compatible with your LifeBook
notebook.
See your monitor documentation and the External Monitor
Support portions of the Specifications section. See “Specifi-
cations” on page 89.
Miscellaneous Problems
Error message displayed
during the operation of an
application.
Application software often has
its own set of error message
displays.
See your application manual and help displays screens for
more information. Not all messages are errors some may
simply be status.
Problem
Possible Cause
Possible Solutions