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You have connected an
external keyboard or a
mouse and it seems to be
locking up the system.
Your operating system
software is not set up
with correct software
driver for that device.
Check your device and operating system documentation and acti-
vate the proper driver.
The system has
crashed.
Try to restart your notebook. I
Memory Problems
Your System screen does
not show the correct
amount of installed
memory.
Your memory upgrade
module is not properly
installed.
Remove and re-install your memory upgrade module.
See “Mem-
ory Upgrade Module” on page 76.
You have a memory
failure.
Check for Power On Self Test (POST) messages.
See “Power On
Self Test Messages” on page 96.
Modem Problems
Messages about modem
operation.
Modem messages are
generated by the
modem application
being used.
See your application software documentation for additional infor-
mation.
USB Device Problems
You have installed a USB
device. Your LIFEBOOK
notebook does not recog-
nize the device, or the
device does not seem to
work properly.
The device is not prop-
erly installed.
Remove and re-install the device.
See “Device Ports” on page 79.
The device may have
been installed while an
application was running,
so your notebook is not
aware of its installation.
Close the application and restart your notebook.
Your device may not
have the correct soft-
ware driver active.
See your software documentation and activate the correct driver.
Problem
Possible Cause
Possible Solutions