HP Elite 7000 - Microtower PC Maintenance And Service Manual page 110

Table C-11 Solving Network Problems (continued)
Network status link light never flashes.
NOTE: The network status light is supposed to flash when there is network activity.
Cause
No active network is detected.
Network controller is not set up properly.
Network controller is disabled.
Network driver is not properly loaded.
System cannot autosense the network.
Diagnostics reports a failure.
Cause
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.
The network controller is defective.
Diagnostics passes, but the computer does not communicate with the network.
Cause
Network drivers are not loaded, or driver parameters do not
match current configuration.
The network controller is not configured for this computer.
Network controller stops working without apparent cause.
Cause
The files containing the network drivers are corrupted.
102 Appendix C Troubleshooting Without Diagnostics
Solution
Check cabling and network equipment for proper connection.
Check for the device status within Windows, such as Device
Manager for driver load and the Network Connections applet
within Windows for link status.
1. Run Computer Setup and enable network controller in
Advanced > Onboard LAN.
2. Enable the network controller in the operating system via
Device Manager.
Reinstall network drivers.
Disable auto-sensing capabilities and force the system into the
correct operating mode.
Solution
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.
Ensure that the cable is attached to the correct connector.
Ensure that the cable and device at the other end are operating
correctly.
Contact an authorized service provider.
Solution
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.
Select the Network icon in the Control Panel and configure
the network controller.
Solution
Reinstall the network drivers.