D–18 360201-002 Service Reference Guide, dc5000
Troubleshooting Without Diagnostics
Solving Network Problems
These guidelines do not discuss the process of debugging the network cabling.
Solving 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. Check the network controller
documentation for the correct driver
or obtain the latest driver from the
manufacturer’s Web site.
Network status link light
does not turn on or it
never flashes.
✎
The network status
light should flash
when there is
network activity.
No active network is
detected.
Check 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 autosense
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.
Ensure that both ends of the data
cable are securely connected.
The cable is attached to
the incorrect connector.
Ensure 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.
Ensure 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 computer does not
communicate with the
network.
Network drivers are
not
loaded, or driver
parameters do not match
current configuration.
1. Make sure the network drivers
are
loaded and that the driver
parameters match the
configuration of the network
controller.
2. Make sure the correct network
client and protocol is installed.
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