Network status link light never flashes.
The network status light is supposed to flash when there is network activity.
Network driver is not properly loaded.
System cannot autosense the network.
Diagnostics reports a failure.
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 network controller is defective.
Diagnostics passes, but the computer does not communicate with the network.
Network drivers are not loaded, or driver parameters do not
match current configuration.
The network controller is not configured for this computer.
Network controller stopped working when an expansion board was added to the computer.
The network controller requires drivers.
To access Device Manager in Windows 10, type device
manager in the taskbar search box, and then select Device
Manager from the list of applications.
Reinstall network drivers.
Disable auto-sensing capabilities and force the system into the
correct operating mode.
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
Contact an authorized service provider.
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 and Sharing Center icon in the Control Panel
and configure the network controller.
To access Control Panel in Windows 10, type control panel in
the taskbar search box, and then select Control Panel from the
list of applications.
Verify that the drivers were not accidentally deleted when the
drivers for a new expansion board were installed.
Solving network problems