Solving Network Problems - HP Compaq d330 DT Troubleshooting Manual

Solving Network Problems

Solving Network Problems
Problem
Wake-on-LAN feature is
not functioning.
Network driver does
not detect network
controller.
Network status link light
does not turn on or it
never flashes.
✎
The network status
light is supposed to
flash when there is
network activity.
Diagnostics reports a
failure.
Troubleshooting Guide
Some common causes and solutions for network problems are listed
in the following table. These guidelines do not discuss the process of
debugging the network cabling.
Cause
Wake-on-LAN is not
enabled.
Network controller is
disabled.
Incorrect network driver.
No active network is
detected.
Network controller is not
set up properly.
Network driver is not
properly loaded.
System cannot autosense
the network.
The cable is not securely
connected.
The cable is attached to
the incorrect connector.
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Troubleshooting Without Diagnostics
Solution
Use the Network control application
to enable Wake-on-LAN. See the
Desktop Management Guide.
Run Computer Setup and enable
network controller.
Check the network controller
documentation for the correct driver
or obtain the latest driver from the
manufacturer's Web site.
Check cabling and network
equipment for proper connection.
Use the Network control application
to verify that the device is working
properly. See the Network
Communications Guide.
Reinstall network drivers. See the
Network Communications Guide.
Disable auto-sensing capabilities
and force the system into the correct
operating mode. See the Network
Communications Guide.
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.
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