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Network status link light never flashes.
NOTE: The network status light is supposed to flash when there is network activity.
Cause Solution
No active network is detected. Check cabling and network equipment for proper connection.
Network controller is not set up properly. Check for the device status within Windows, such as Device
Manager for driver load and the Network Connections applet
within Windows for link status.
Network controller is disabled. 1. Run Computer Setup and enable network controller in
Advanced > Onboard LAN.
2. Enable the network controller in the operating system
via 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 the cable.
Ensure that the cable and device at the other end are
operating correctly.
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 icon in the Control Panel and configure
the network controller.
Network controller stops working without apparent cause.
Cause Solution
The files containing the network drivers are corrupted. Reinstall the network drivers.
Table C-11 Solving Network Problems (continued)
Solving Network Problems 163