Check the network controller LEDs to see if
any statuses indicate the source of the problem. For LED
information, refer to the network controller documentation.
Be sure the network cable is working by
replacing it with a known functional cable.
Be sure a software problem has not caused
the failure. Refer to the operating system documentation for
guidelines on adding or replacing PCI Hot Plug devices, if
applicable.
Be sure the server and operating system
support the controller. Refer to the server and operating system
documentation.
Be sure the controller is enabled in
RBSU.
Check the PCI Hot Plug power LED to be sure
the PCI slot is receiving power, if applicable.
Be sure the server ROM is up to date.
Be sure the controller drivers are up to
date.
Be sure a valid IP address is assigned to
the controller and that the configuration settings are
correct.