Fujitsu LIFEBOOK P770 - Page 97

97 - Troubleshooting
The built-in display is blank
when you turn on your
LifeBook notebook.
(continued)
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 notebook turned on
with a series of beeps and
the built-in display is blank.
POST test has detected a fail-
ure 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 notebook has gone into
Video timeout, Sleep mode,
or Save-to-Disk mode
because you have not used it
for a period of time.
Press a keyboard button or move the mouse to restore 
operation. If that fails, push the Power/Suspend/Resume but-
ton. Check your power management settings.
Power management timeouts
may be set for short intervals
and you failed to notice the
display come on then go off.
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)
The display does not
close.
A foreign object, such as a
paper clip, is stuck between
the display and keyboard.
Remove all foreign objects from the keyboard.
The display has bright or
dark spots.
If the spots are very tiny and
few in number, this is normal
for a large LCD display.
This is normal; do nothing.
If the spots are numerous or
large enough to interfere with
your operation needs.
Display is faulty; contact your support representative.
Problem Possible Cause Possible Solutions