User's Manual

93 - Troubleshooting
The built-in display is blank
when you turn on your
LifeBook notebook.
(continued)
The notebook is set for an
external monitor only.
Pressing [A] while holding down the [Fn] key allows you to
change your selection of where to send your display video.
Each time you press the keys you will step to the next choice.
The choices, in order are: built-in display only, external moni-
tor only, both built-in display and external monitor.
Power management timeouts
are set for short intervals and
you didn’t see the display go
on and off again.
Press a keyboard button or move the mouse to restore oper-
ation. If that fails, push the Power/Suspend/Resume button.
(The display may be shut off by Sleep mode, Auto Suspend
or Video Timeout)
The notebook turned on
with a series of beeps and
the built-in display is blank.
Power On Self Test (POST)
has detected a failure which
does not allow the display to
operate.
Contact your support representative.
The display goes blank by
itself after you have been
using it.
The notebook has gone into
Video timeout, Sleep mode,
or Save-to-Disk mode
because you have not used it
for a period of time.
Press any button on the keyboard, or move the mouse to
restore operation. If that fails, push the Power/Suspend/
Resume button. Check your power management settings, or
close your applications and go to the Power Savings menu of
the setup utility to adjust the timeout values to better suit your
operation needs. See “BIOS Setup Utility” on page 57.
The power management time-
outs may be set for very short
intervals and you failed to
notice the display come on
and go off again.
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.
Problem Possible Cause Possible Solutions