Compaq 247320-003 - Deskpro 4000 - 5166 Model 2500/CDS Reference Manual page 176

Problem
Diagnostics reports a
failure.
Diagnostics passes, but
the computer does not
communicate with the
network.
Network controller
stopped working when an
expansion board was
added to the computer.
Cause
The cable is not securely
connected.
The cable is attached to the
incorrect connector.
There is a problem with the
cable or a device at the other
end of the cable.
The network controller is
defective.
Network controller interrupt or
memory conflict with an
expansion board.
Network drivers are not
loaded, or driver parameters
do not match current
configuration.
The network controller is not
configured for this computer.
Network controller interrupt
overlaps the interrupt of an
expansion board.
Network controller interrupt or
memory conflict with an
expansion board.
The network controller requires
drivers.
The files containing the
network drivers are corrupted.
Solution
Ensure that the cable is securely
attached to the network connector
and that the other end of the cable is
securely attached to the correct
device.
Ensure that the cable is attached to
the correct connector.
Ensure that the cable and device at
the other end are operating correctly.
Contact your Compaq authorized
service provider.
Run Computer Setup and modify the
network controller memory value.
Make sure the network drivers are
loaded and that the driver parameters
match the configuration of the
network controller.
Select the Network icon at the Control
Panel.
Run Computer Setup and modify the
network controller memory value.
Run Computer Setup and modify the
network controller memory value.
Verify that the drivers were not
accidentally deleted when the drivers
for a new expansion board were
installed.
Reinstall the network drivers, using
your backup diskettes.