67
- Troubleshooting Your Notebook
You have installed an
external keyboard or
mouse, and it does not
seem to work.
Your external device is not
properly installed.
Re-install your device.
See “Device Ports” on page 61.
Your operating system (OS) is
not set up with correct soft-
ware driver for that device.
Check your device and operating system documentation
and activate the proper driver.
You have connected an
external keyboard or a
mouse and it seems to be
locking up the system.
Your OS is not set up with the
correct driver for that device.
Check your device and operating system documentation
and activate the proper driver.
Your system has crashed.
Try to restart your notebook.
Memory Problems
Your System screen in the
Control Panel does not
show the correct amount
of installed memory.
Your memory upgrade mod-
ule is not properly installed.
Remove and re-install your memory upgrade module.
“Memory Upgrade Module” on page 55.
You have a memory failure.
Check for Power On Self Test (POST) messages.
“Power On Self Test Messages” on page 73.
Modem Problems (optional external device)
Messages about modem
operation.
Modem operation messages
are generated by whichever
modem application is in use.
See your application software documentation for additional
information.
USB Device Problems
You installed a USB device
but your notebook does
not recognize the device.
The device is not properly
installed.
Remove and re-install the device.
The device may have been
installed while an application
was running, so the notebook
is not aware of its installation.
Close the application and restart your notebook.
Your device may not have the
correct software driver active.
See your software documentation and activate the correct
driver.
Problem
Possible Cause
Possible Solutions