Solving network problems
These guidelines do not discuss the process of debugging the network cabling.
Table 5-13 Network problems
Problem Cause Solution
Wake-on-LAN feature is not
functioning.
Wake-on-LAN is not enabled. Use the Network control application to enable Wake-on-
LAN.
Network driver does not detect
network controller.
Network controller is disabled. Run Computer Setup and enable network controller.
Incorrect network driver. Verify the network controller documentation for the correct
driver or obtain the latest driver from the manufacturer’s
website.
Network status link light does not
illuminate or it never flashes.
The network status light should
flash when there is network
activity.
No active network is detected. Verify cabling and network equipment for proper
connection.
Network controller is not set up
properly.
Use the Network control application to verify that the
device is working properly.
Network driver is not properly
loaded.
Reinstall network drivers.
System cannot auto-sense the
network.
Disable auto-sensing capabilities and force the system
into the correct operating mode.
Diagnostics reports a failure. The cable is not securely
connected.
Be sure that both ends of the data cable are securely
connected.
The cable is attached to the
incorrect connector.
Be sure that the cable is attached to the correct connector.
There is a problem with the cable
or a device at the other end of the
cable.
Be sure that the cable and device at the other end are
operating correctly.
Network controller interrupt is
shared with an expansion board.
Under the Computer Setup Advanced menu, change the
resource settings for the board.
The network controller
is defective.
Replace the NIC.
Diagnostics passes, but the
workstation does not
communicate with the network.
Network drivers are not loaded, or
driver parameters do not match
current configuration.
1. Be sure the network drivers are loaded and that the
driver parameters match the configuration of the
network controller.
2. Be sure the correct network client and protocol is
installed.
The network controller is not
configured for this workstation.
Double-click the Network icon in the Control Panel and
configure the network controller.
Network controller stopped
working when an expansion
board was added to the
workstation.
Network controller interrupt is
shared with an expansion board.
Under the Computer Setup Advanced menu, change the
resource settings for the board.
The network controller requires
drivers.
Verify that the drivers were not accidentally deleted when
the drivers for a new expansion board were installed.
ENWW Troubleshooting scenarios and solutions 129
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