Diagnostics reports a failure Cause

Diagnostics reports a failure.

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	Ensure that the cable and device at the other end are
end of the cable.	operating correctly.

Network controller interrupt is shared with an expansion	Under the Computer Setup Advanced menu, change the
board.	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, from the Start screen, type c, and then select Control Panel.

Network controller stopped working when an expansion board was added to the computer.

Cause	Solution

Network controller interrupt is shared with an expansion	Under the Computer Setup Advanced menu, change the
board.	resource settings for the board.

The network controller requires drivers.	Verify that the drivers were not accidentally deleted when the
	drivers for a new expansion board were installed.

The expansion board installed is a network card (NIC) and	Under the Computer Setup Advanced menu, change the
conflicts with the embedded NIC.	resource settings for the board.

Network controller stops working without apparent cause.

Cause

Solution

The files containing the network drivers are corrupted.

Reinstall the network drivers using the Recovery Disc Set in Windows 7 or Windows recovery tools in Windows 8.

If necessary, download the softpaq from the web (from a different computer).

Solving Network Problems 173