Fujitsu LifeBook C-4120 Manual page 81

Problem
Parallel, Serial, and USB Device Problems
You have installed a parallel-port device,
a serial-port device or a USB device. Your
notebook does not recognize the device, or
the device does not seem to work properly.
C A U T I O N
Due to ongoing changes in USB
technology and standards, not all USB
devices and/or drivers are guaranteed
to work.
T r o u b l e s h o o t i n g
Possible Cause
1. The device is not properly installed.
2. The device may have been installed with an
application running and your notebook
doesn't know it's there.
3. Your software may not have the correct
software driver active.
4. You may have the wrong I/O address
selected for your device.
5. Your device and another device are
assigned the same I/O address.
6. Parallel port is set to output only.
L i f e B o o k C S e r i e s f r o m F u j i t s u
Possible Solution
1. Remove and re-install the device.
(See Parallel Port Devices, Serial Port Devices
or USB Devices on page 52.)
2. Close your application and restart
your notebook.
3. See your software documentation and
activate the correct driver.
4. See your device documentation and
software documentation to determine the
required I/O address.
5. Check all I/O addresses in the BIOS Setup
Utility and your other installed hardware
and software and make sure there are
no duplications.
6. Check Parallel port settings in BIOS, and
set to Bi-directional or Ecp.
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