Fujitsu LIFEBOOK A6120 SERIES User Manual page 59

Problem
Video Problems
The notebook is set for an
The built-in display
is blank when you external monitor only.
turn on your
LifeBook notebook.
(continued)
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.
The LifeBook Power On Self Test
(POST) has detected a
notebook turned
on with a series of failure which does not
beeps and your allow the display to
operate.
built-in display is
blank.
The notebook has gone
The display goes
blank by itself after into Video Timeout,
you have been Standby mode, Suspend
mode or Save-to-Disk
using it.
mode because you have
not used it for a period of
time.
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.
Something is pushing on
the Closed Cover switch.
48
Possible Cause
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 Power/Suspend/Resume button. (The
display may be shut off by Stanby 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 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.
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 Standby
Mode, Auto Suspend or Video Timeout)
Check the Closed Cover switch.
Possible Solution