89
- Troubleshooting
System powers up and dis-
plays power on information
but fails to load the operat-
ing 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 52.
An error message is dis-
played 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.
See “Power On Self Test Mes-
sages” on page 92.
Your notebook appears to
change setup parameters
when you start it.
BIOS setup changes
were not saved when
made and you exited
the setup utility.
Make sure you select
Save Changes And Exit
when exiting the
BIOS setup utility.
Your system display won’t
turn on when the system is
turned on or has resumed.
You have installed the
LifeBook/Security Appli-
cation panel.
Check the Status Indicator Panel for presence of the Security icon.
If it is visible, enter your password See “Status Indicator Panel” on
page 21.
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.
Press [F10] while holding down the [Fn] key to change where to
send your display video. When 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
brightness settings are
not adequate for your
lighting conditions.
Move the display and the brightness control until you have ade-
quate 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.
The power manage-
ment timeouts may be
set for very short inter-
vals and you failed to
notice the display come
on and go off again.
Press a keyboard button or move the mouse to restore operation.
If that fails, push the Suspend/Resume button. (The display may
be shut off by Sleep mode, Auto Suspend or Video Timeout)
Problem
Possible Cause
Possible Solutions
