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- Troubleshooting
The system powers up, and
displays power on informa-
tion, but fails to load the
operating system.
(continued)
You have a secured system
requiring a password to load
your operating system.
Make sure you have the right password. Enter the setup utility and verify the Security
settings and modify them as accordingly.
See “BIOS Setup Utility” on page 38.
Error message is displayed
on the screen during the
notebook (boot) sequence.
Power On Self Test (POST) has
detected a problem.
See the Power On Self Test (POST) messages to determine the meaning and severity of
the problem. Not all messages are errors; some are simply status indicators. LIFEBOOK
Your notebook appears to
change setup parameters
when you start it.
BIOS setup changes were not
saved before you exited the
utility.
Make sure you select Save Changes And Exit when exiting the BIOS setup utility.
The BIOS CMOS hold-up bat-
tery has failed.
Contact your support representative for repairs. This is not a user serviceable part but
has a normal life of 3 to 5 years.
Video Problems
The built-in display is blank
when you turn on your LIFE-
BOOK notebook.
The notebook 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 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 display angle and bright-
ness settings are not adequate
for your lighting conditions.
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.
Power management timeouts
may be set for short intervals
and you didn’t see the display
come on and go off.
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 Standby mode, Auto
Suspend or Video Timeout)
The notebook turned on
with a series of beeps and
the built-in display is blank.
Power On Self Test has
detected a failure which does
not allow the display to oper-
ate.
Contact your support representative.
Problem Possible Cause Possible Solutions