Video Problems - Fujitsu lifebook p772 User Manual

Problem

Video Problems

The built-in display is blank
when you turn on your LIFE-
BOOK notebook.
The notebook turned on with
a series of beeps and the
built-in display is blank.
The display goes blank by
itself after you have been
using it.
Your display won't turn on
when the system is turned on
or when it has resumed.
The display does not close.
Possible Cause
Display angle and brightness
settings aren't adequate for
your lighting conditions.
The notebook is set for an
external monitor only.
Power management timeouts
may be set for short intervals
and you didn't notice the dis-
play come on and go off.
POST has detected a failure
which does not allow display to
operate.
The notebook has gone into
Sleep or Hibernate, or Video
timeout because it hasn't been
used it for a long time.
Power management timeouts
may be set for short intervals
and you didn't notice the dis-
play come on and go off.
The system may be password-
protected.
A foreign object is stuck
between the display and key-
board.
Possible Solutions
Move the display and the brightness control until you have adequate visibility. Press-
ing either the [F6] or [F7] keys while holding down the [Fn] key also allows you to
change the brightness level of the display.
Press [F10] while holding down the [Fn] key change your selection of where to send
your display video. Each time you press the keys brings you to the next choice. The
choices, in order are: built-in display, external monitor, both built-in display and
external monitor.
Press a keyboard button or move the mouse to restore operation. If that fails, push
the Power/Suspend/Resume button. (The display may be shut off by Sleep 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 set-
tings in the Power Options control panel.
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 Sleep Mode,
Auto Suspend or Video Timeout)
Check the status indicator panel to verify that the Security icon is blinking. If it is
blinking, enter your password.
Remove all foreign objects from the keyboard.
92 - Troubleshooting