60
L i f e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e
Your LifeBook notebook
will not work on battery
alone.
Your installed batteries
are faulty.
Verify the condition of the batteries using the Status
Indicator panel and replace or remove any batteries
that are shorted.
(See Status Indicator Panel page 15
for more information)
The batteries seem to
discharge too quickly.
You are running an application
that uses a great deal of power
due to frequent hard drive or
DVD/CD-ROM access, or use
of a modem or LAN PC card.
Use both the primary battery and an optional
second battery and/or use a power adapter for this
application when at all possible.
The power savings features
may be disabled.
Check the power management and/or setup utility
settings in the Power Savings menu and adjust
according to your operating needs.
The brightness is turned all
the way up.
Turn down the brightness adjustment. The higher
the brightness the more power your display uses.
The batteries are very old.
Replace the batteries.
The batteries have been
exposed to high temperatures.
Replace the batteries.
The batteries are too hot
or too cold.
Restore the notebook to normal operating tempera-
ture. The Status Indicator panel Charging icon will
flash when the battery is out of operating range.
Shutdown and Startup Problems
The Power and Suspend/
Resume button does not
work.
The Power and Suspend/
Resume button is disabled
from the Power -> Advanced
submenu of the setup utility.
Enable the button from the setup utility.
You did not hold the button
in long enough.
Hold the button longer. This may need to be a few
seconds if your application is preventing the CPU
from checking for button pushes.
There may be a conflict with
the application software.
Close all applications and try the button again.
The system powers up and
displays power-on informa-
tion, but fails to load the
operating system.
The boot sequence settings of
the setup utility are not
compatible with your
configuration.
Set the operating source by pressing the [ESC] key
while the Fujitsu logo is on screen or use the [F2]
key and enter the setup utility and adjust the source
settings from the Boot menu.
(See BIOS Setup
Utility page 29 for more information)
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 accordingly.
(See BIOS Setup Utility
page 29 for more information)
Internal hard drive was
not detected.
Use the BIOS setup utility or Primary Master
submenu, located within the Main menu, to try to
auto detect the internal hard drive.
Your system display won’t
turn on when the system is
turned on or when the
system has resumed.
The system may be password-
protected.
Check the status indicator panel to verify that the
Security icon is blinking. If it is blinking, enter your
password.
Problem
Possible Cause
Possible Solutions
N6420-Vista.book Page 60 Friday, February 16, 2007 4:48 PM
Summary of Contents for LifeBook N6420
Page 1: ...C o p y r i g h t Fujitsu LifeBook N6420 Notebook User s Guide ...
Page 2: ...C o p y r i g h t ...
Page 8: ...L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 9: ...1 1 Preface ...
Page 10: ...2 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 12: ...4 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 13: ...5 2 Getting to Know Your LifeBook Notebook ...
Page 14: ...6 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 33: ...25 3 Getting Started ...
Page 34: ...26 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 42: ...34 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 43: ...35 4 User Installable Features ...
Page 44: ...36 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 60: ...52 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 61: ...53 5 Troubleshooting ...
Page 62: ...54 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 75: ...67 6 Care and Maintenance ...
Page 76: ...68 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 80: ...72 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 81: ...73 7 System Specifications ...
Page 82: ...74 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 87: ...79 8 Glossary ...
Page 88: ...80 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 95: ...87 Appendix A Integrated Wireless LAN User s Guide Optional Device ...
Page 96: ...88 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 110: ...102 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 111: ...103 Appendix B Using the Fingerprint Sensor ...
Page 112: ...104 L i f e B o o k N 6 4 0 0 N o t e b o o k A p p e n d i x B ...
Page 121: ...113 Index ...
Page 122: ...114 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 126: ...118 L i f e B o o k N 6 4 0 0 S e r i e s U s e r s G u i d e ...
Page 127: ......
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