HP Pro 2110 Small Form Factor Maintenance & Service Manual page 179

Diagnostics passes, but the computer does not communicate with the network.
Cause
Network drivers are not loaded, or driver parameters do not
match current configuration.
The network controller is not configured for this computer.
Network controller stopped working when an expansion board was added to the computer.
Cause
Network controller interrupt is shared with an expansion
board.
The network controller requires drivers.
The expansion board installed is a network card (NIC) and
conflicts with the embedded NIC.
Network controller stops working without apparent cause.
Cause
The files containing the network drivers are corrupted.
The cable is not securely connected.
The network controller is defective.
New network card will not boot.
Cause
New network card may be defective or may not meet industry-
standard specifications.
Cannot connect to network server when attempting Remote System Installation.
Cause
The network controller is not configured properly.
Solution
Make sure the network drivers are loaded and that the driver
parameters match the configuration of the network controller.
Make sure the correct network client and protocol is installed.
Select the Network icon in the Control Panel and
configure the network controller.
Solution
Change the resource settings for the board in Computer
Setup.
Verify that the drivers were not accidentally deleted when the
drivers for a new expansion board were installed.
Run the Computer Setup utility and change the resource
settings for the board.
Solution
Reinstall the network drivers, using the Recovery Disc Set
created from the hard drive's Recovery Partition.
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.
Contact an authorized service provider.
Solution
Install a working, industry-standard NIC, or change the boot
sequence to boot from another source.
Solution
Verify Network Connectivity, that a DHCP Server is present,
and that the Remote System Installation Server contains the
NIC drivers for your NIC.
Solving Network Problems 169