HP Z4 Maintenance and Service Guide - Page 71

Network and Sharing Center, when there is network activity.

Page 71 highlights

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. Type device manager in the taskbar search box, and then select Device Manager from the list of applications. Network controller is disabled. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system using Device Manager. Type device manager in the taskbar search box, and then select Device Manager from the list of applications. 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 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. 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. 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. Type control panel in the taskbar search box, and then select Control Panel from the list of applications. Solving network problems 63

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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.
Type
device manager
in the taskbar search box, and then
select
Device Manager
from the list of applications.
Network controller is disabled.
1.
Run Computer Setup and enable network controller.
2.
Enable the network controller in the operating system using
Device Manager.
Type
device manager
in the taskbar search box, and
then select
Device Manager
from the list of applications.
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 and Sharing Center
icon in the
Control Panel
and
configure
the network controller.
Type
control panel
in the taskbar search box, and then
select
Control Panel
from the list of applications.
Solving network problems
63