Video Problems - Fujitsu Lifebook I4177 User Manual

L 6HULHV$ERRN 3DJH  7KXUVGD\ -XQH     30
L i f e B o o k i S e r i e s – S e c t i o n F i v e
Problem
Your LifeBook appears to
change setup parameters
when you start it.

Video Problems

The built-in display is
blank when you turn on
your LifeBook.
The LifeBook turned
on with a series of beeps
and your built-in display
is blank.
The display goes blank by
itself after you have been
using it.
62
Possible Cause
BIOS setup changes were not
saved when you made them
and exited the BIOS setup
utility returning it to
previous settings.
The BIOS CMOS hold-up
battery has failed.
Something is pushing on the
Closed Cover switch.
The LifeBook is set for an
external monitor only.
The angle of the display
and the brightness settings
are not adequate for your
lighting conditions.
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.
Power On Self Test (POST)
has detected a failure which
does not allow the display
to operate.
The LifeBook has gone into
Video timeout, Standby mode,
Suspend mode or Hibernation
(Save-to-Disk) mode because
you have not used it for a
period of time.
Something is pushing on the
Closed Cover switch.
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.
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.
Clear the Closed Cover switch. (See figure 2-3 on
page 9 for location)
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.
Move the display and the brightness control until
you have adequate visibility.
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
Standy mode, Auto Suspend or Video Timeout)
Contact your support representative.
Press any 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 31 for more information)
Check the Closed Cover switch. (See figure 2-3 on
page 9 for location)
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)