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Fujitsu LifeBook T4220 Tablet PC Manual

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63
Troubleshooting
Your Tablet PC appears to
change setup parameters
when you start it.
BIOS setup changes were not
saved when you made them
and exited the BIOS setup
utility returning it to
previous settings.
Make sure you select Save Changes And Exit when
exiting the BIOS setup utility.
The BIOS CMOS back-up
battery has failed.
Contact your support representative for repairs.
This is not a user-serviceable part.
Video Problems
The built-in display is blank
when you turn on your
Tablet PC.
The angle of the display and
the brightness settings are not
adequate for your lighting
conditions.
Move the display and the brightness control until
you have adequate visibility.
The optional Port Replicator is
attached, an external monitor
is plugged in, and 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
combination of keys you will step to the next
choice. The choices, in order are: built-in display
only, external monitor only, both built-in display
and external monitor.
The power management
timeouts may be set for very
short intervals and you failed
to notice the display come on
and go off again.
Press any button the keyboard, or move the mouse
to restore operation. If that fails, push the Suspend/
Resume button. (The display may be shut off by
Standby mode, Auto Suspend or Video Timeout)
The Tablet PC turned on
with a series of beeps and
your 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.
Your system display won’t
turn on when the system is
turned on or when the
system has resumed.
The system may be password-
protected.
Check the status indicator panel to verify that the
Security icon is blinking. If it is blinking, enter your
password.
The display goes blank by
itself after you have been
using it.
The Tablet PC has gone into
Video Timeout, Standby
Mode, or Hibernate Mode
because you have not used it
for a period of time.
Press a button on the keyboard, or move the mouse
to restore operation. If that fails, push the 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 39.
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 Suspend/
Resume button. (The display may be shut off by
Standby Mode, Auto Suspend or Video Timeout)
The display does not close. A foreign object, such as a
paper clip, is stuck between the
display and the keyboard.
Remove all foreign objects from the keyboard.
Problem Possible Cause Possible Solutions
T Series.book Page 63 Wednesday, April 25, 2007 11:29 AM
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