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115
- Troubleshooting
Video Problems
The built-in display is blank
when you turn on your
LifeBook Tablet PC.
The Tablet PC is set for an
external monitor only.
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.
Display angle and brightness
settings are not adequate for
your lighting conditions.
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.
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 Tablet PC 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 Tablet PC 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/Sus-
pend/Resume button. Check your power management set-
tings, 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.
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/Sus-
pend/Resume button. (The display may be shut off by Sleep
Mode, Auto Suspend or Video Timeout)
Problem
Possible Cause
Possible Solutions
Chaldea Comm T4410.book Page 115 Wednesday, September 16, 2009 9:36 AM