Fujitsu LifeBook C-4235 User Manual page 77

L i f e B o o k C S e r i e s – S e c t i o n F i v e
Problem
Hard Drive Problems
You cannot access your
hard drive.
Keyboard or Mouse Problems
The built-in keyboard does
not seem to work.
You have installed an
external keyboard or
mouse, and it does not
seem to work.
You have connected an
external keyboard or a
mouse and it seems to be
locking up the system.
Memory Problems
Your Power On screen,
or Main menu of the
BIOS setup utility infor-
mation, does not show
the correct amount of
installed memory.
68
Possible Cause
The setup utility is incorrectly
set for your internal (Primary
Master) or optional second
hard drive (Primary Slave).
The wrong drive designator
was used by an application
when a bootable CD-ROM was
used to start the notebook.
Security is set so your oper-
ating system cannot be started
without a password.
The notebook has gone into
Suspend mode.
Your application has locked
out your keyboard.
Your external device is not
properly installed.
Your operating system
software is not setup with
the correct software driver
for that device.
Your operating system
software is not setup with
the correct software driver
for that device.
Your system has crashed.
Your memory upgrade module
is not properly installed.
You have a memory failure.
Possible Solutions
Revise BIOS settings to set both Primary Master
and Primary Slave correctly. (See BIOS Setup Utility
on page 35 for more information)
Verify drive designator used by application is in
use by the operating system. When the operating
system is booted from a CD, drive designations
are automatically adjusted.
Verify your password and security settings.
Push the Suspend/Resume button.
Try to use your intergrated pointing device to restart
your system. If this fails, turn your notebook off
using the power switch, wait 10 seconds or more,
and then turn it back on.
Re-install your device. (See Device Ports on page 59
for more information)
Check your device and operating system docu-
mentation and activate the proper driver.
Check your device and operating system
documentation and activate the proper driver.
Try to restart your notebook. If that fails, turn off
the power using the power switch, wait at least 10
seconds, and then power on.
Remove and re-install your memory upgrade
module. (See Memory Upgrade Module on page 56
for more information)
Check for Power On Self Test (POST) messages.
(See Power On Self Test Messages on page 75 for more
information)