Table 8-2Solving Network Problems (continued)

Network status link light never flashes.

NOTE: The network status light is supposed to flash when there is network activity.

Cause

Solution

 

 

 

To access Device Manager in Windows 7, click Start, select

 

Control Panel, and then select Device Manager.

 

To access Device Manager in Windows 8.1, from the Start

 

screen, type c, select Control Panel from the list of

 

applications, and then select Device Manager.

 

 

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.

 

 

 

Cause

Solution

The cable is not securely connected.

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.

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

Ensure that the cable and device at the other end are operating

the cable.

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.

Contact an authorized service provider.

 

 

Diagnostics passes, but the computer does not communicate with the network.

Cause

Solution

Network drivers are not loaded, or driver parameters do not match current configuration.

Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller.

Make sure the correct network client and protocol is installed.

The network controller is not configured for this computer.

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

To access Control Panel in Windows 7, click Start, and then select Control Panel.

To access Control Panel in Windows 8.1, from the Start screen, type c, and then select Control Panel.

Solving Network Problems 191