Solving Network Problems - HP xw4200 Service And Technical Reference Manual

Solving Network Problems

These guidelines do not discuss the process of debugging the network cabling.
Table 5-13
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.
NOTE: The network status light
should flash when there is
network activity.
Diagnostics reports a failure.
Diagnostics passes, but the
workstation does not
communicate with the network.
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.
There is a problem with the cable
or a device at the other end of the
cable.
Network controller interrupt is
shared with an expansion board.
The network controller
is defective.
Network drivers are not loaded, or
driver parameters do not match
current configuration.
The network controller is not
configured for this workstation.
Solution
Use the Network control application to enable
Wake-on-LAN.
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.
Reinstall network drivers.
Disable auto-sensing capabilities and force the
system into the correct operating mode.
Ensure that both ends of the data cable are
securely connected.
Ensure that the cable is attached to the correct
connector.
Ensure that the cable and device at the other
end are operating correctly.
Under the Computer Setup Advanced menu,
change the resource settings for the board.
Replace the NIC.
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.
Select the Network icon in the Control Panel
and configure the network controller.
TROUBLESHOOTING SCENARIOS AND SOLUTIONS 141