Fujitsu Lifebook L440 User Manual page 154

S e c t i o n S i x
Symptom
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 information does not show
the correct amount of installed memory.
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Possible Cause
1. Your external device is not properly installed.
2. Your operating system software is not
setup with the correct software driver for
that device.
3. Your mouse or keyboard is connected to the
wrong PS/2 port of the Mobile LAN Dock.
1. Your operating system software is not setup
with the correct sof t w a re driver for that devi ce .
2. Your system has crashed.
1. Your memory upgrade module is not
properly installed.
2. You have a memory failure.
Possible Solution
1. Re-install your device. (See Mouse or
Keyboard on page 133.)
2. Check your device and operating
system documentation and activate the
proper driver.
3. Plug the mouse into the PS/2 Mouse p ort
and the external keyboard or numeric
keypad into the PS/2 Keyboard port.
1. Check your device and operating system
doc u m en t a ti on and activa te the proper driver.
2. Restart your system by shutting down
and/or turning off the power, waiting at
least 10 seconds and then turning the
power on again.
1. Remove and re-install your memory
upgrade module. (See Memory Upgrade
Module on pages 134-136.)
2. Make sure display of error messages is
enabled (see Boot Options Submenu on
page 109), and check for Power On Self
Test (POST) messages. (See pages 158-160
for possible messages and their meanings.)