Solving Network ProblemsThese guidelines do not discuss the process of debugging the network cabling.Table 5-33Network Problems

Problem

Cause

Solution

 

 

 

Wake-on-LAN feature is not

Wake-on-LAN is not enabled.

Use the Network control application to enable

functioning.

 

Wake-on-LAN.

 

 

 

Network driver does not detect

Network controller is disabled.

Run Computer Setup and enable network controller.

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

Use the Network control application to verify that

properly.

the device is working properly.

Network driver is not properly

Reinstall network drivers.

loaded.

 

 

 

System cannot autosense the

Disable auto-sensing capabilities and force the

network.

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

Replace the NIC.

is defective.

 

Diagnostics passes, but the

Network drivers are

workstation does not

not loaded, or driver

communicate with the

parameters do not match

network.

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.

Select the Network icon in the Control Panel and configure the network controller.

158 System Diagnostics and Troubleshooting