Video Problems - Fujitsu Lifebook T580 User Manual

Problem
Your Tablet PC appears to
change setup parameters
when you start it.

Video Problems

The built-in display is
blank when you turn on
your Tablet PC.
The Tablet PC turned on
with a series of beeps and
the built-in display is blank.
The display goes blank by
itself after you have been
using it.
Possible Cause
BIOS setup changes were not
saved when made and you
exited the setup utility.
The BIOS CMOS hold-up bat-
tery has failed.
Display angle and brightness
settings are not adequate for
your lighting conditions.
Power management timeouts
are set for short intervals and
you didn't see the display go
on and off again.
The Tablet PC is set for an
external monitor only.
Power On Self Test (POST)
has detected a failure which
does not allow the display to
operate.
Power management timeouts
are set for short intervals and
you failed to notice the display
come on and go off again.
94 - Troubleshooting
Possible Solutions
Make sure you select Save Changes And Exit when exiting
the BIOS setup utility.
Contact your support representative for repairs. This is not a
user serviceable part but has a normal life of 3 to 5 years.
Move the display and the brightness control until you have
adequate visibility. Pressing either the [F6] or [F7] keys while
holding down the [Fn] key also allows you to change the
brightness level of the display.
Press a keyboard button or move the mouse to restore oper-
ation. If that fails, push the Power/Suspend/Resume switch.
(The display may be shut off by Sleep mode, Auto Suspend
or Video Timeout)
Pressing [F10] 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.
Contact your support representative.
Press any button on the keyboard, or move the mouse to
restore operation. If that fails, push the Power/Sus-
pend/Resume switch. (The display may be shut off by Sleep
Mode, Auto Suspend or Video Timeout)