Problem

Possible Cause

Possible Solutions

 

 

 

 

 

 

An error message is dis-

Power On Self Test

See the Power On Self Test (POST) messages to determine the

played on the screen during

(POST) has detected a

meaning and severity of the problem. Not all messages are errors;

the notebook (boot)

problem.

some are simply status indicators. See “Power On Self Test Mes-

sequence.

 

sages” on page 93.

 

 

 

Your notebook appears to

BIOS setup changes

Make sure you select Save Changes And Exit when exiting the

change setup parameters

were not saved when

BIOS setup utility.

when you start it.

made and you exited

 

 

the setup utility.

 

 

 

 

 

The BIOS CMOS hold-

Contact your support representative for repairs. This is not a user

 

up battery has failed.

serviceable part but has a normal life of 3 to 5 years.

 

 

 

Your system display won’t

You have installed the

Check the Status Indicator Panel for presence of the Security icon.

turn on when the system is

LifeBook/Security Appli-

If it is visible, enter your password See “Status Indicator Panel” on

turned on or has resumed.

cation panel.

page 22.

 

 

 

Video Problems

 

 

 

 

 

The built-in display is blank

The notebook is set for

Pressing [F10] while holding down the [Fn] key allows you to

when you turn on your Life-

an external monitor

change your selection of where to send your display video. Each

Book notebook.

only.

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

Move the display and the brightness control until you have ade-

 

brightness settings are

quate visibility. Pressing either the [F6] or [F7] keys while holding

 

not adequate for your

down the [Fn] key also allows you to change the brightness level

 

lighting conditions.

of the display.

 

 

 

The built-in display is blank

The power manage-

Press a keyboard button or move the mouse to restore operation.

when you turn on your Life-

ment timeouts may be

If that fails, push the Power/Suspend/Resume button. (The display

Book notebook.

set for very short inter-

may be shut off by Standby mode, Auto Suspend or Video Time-

(continued)

vals and you failed to

out)

 

notice the display come

 

 

on and go off again.

 

 

 

 

90 - Troubleshooting

Page 95
Image 95
Fujitsu Siemens Computers N6470 manual Video Problems, Sages on