Compaq Deskpro EN Series Maintenance & Service Manual page 151

Diagnostics reports
a failure.
Diagnostics passes,
but computer does
not communicate
with the network.
Network controller
stopped working
when an expansion
board was added to
the computer.
F-8 Troubleshooting Without Diagnostics
Possible I/O address conflict
with another expansion
board.
Cable is not securely
connected.
Cable is attached to the
incorrect connector.
There is a problem with the
cable or a device at the
other end of the cable.
Network controller is
defective.
Network controller interrupt
or memory overlaps the
interrupt or memory of an
expansion board.
Network drivers not loaded,
or driver parameters do not
match current configuration.
Network controller is not
configured for this computer.
Network controller interrupt
or memory overlaps the
interrupt or memory of an
expansion board.
Network drivers not loaded
or driver parameters do not
match current configuration.
Cable is not securely
connected.
Factory default is 300h to 30Fh for Ethernet. Either
remove and reconfigure the conflicting expansion
board, or reconfigure the network controller. If the
address is changed, ensure that the drive
parameters match the new I/O address for the
network controller.
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.
Replace the controller or the system board.
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.
In Windows 95 or Windows NT, select the Network
icon at the Control Panel. Reconfigure the driver if
necessary, using the Network Setup found in the
Control Center.
Run Computer Setup and modify the network
controller memory value.
Make sure that the network drivers are loaded and
that the driver parameters match the configuration
of the network controller using Network Setup
found in the Control Center.
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.