C.
For tower model servers, check the cable connection from the input device to the server.
If a KVM switching device is in use, be sure all cables and connectors are of proper length and are
supported by the switch. See the switch documentation.
Be sure the current drivers for the operating system are installed.
Be sure the device driver is not corrupted by replacing the driver.
Restart the system and check whether the input device functions correctly after the server restarts.
Replace the device with a known working equivalent device (another similar mouse or keyboard):
A.
If the issue still occurs with the new mouse or keyboard, the connector port on the system I/O board is
defective. Replace the board.
B.
If the issue no longer occurs, the original input device is defective. Replace the device.
Be sure the keyboard or mouse is connected to the correct port. Determine whether the keyboard lights
flash at POST or the NumLock LED illuminates. If not, change port connections.
Be sure the keyboard or mouse is clean.
4-4-3
Network controller or OCP LAN card issue
Network controller or OCP LAN card is installed but not working
Symptom
The network controller or OCP LAN card is not working.
Action
Check the network controller or OCP LAN card LEDs to see if any statuses indicate the source of the
issue.
Be sure no loose connections exist.
Be sure the correct cable type is used for the network speed or that the correct SFP or DAC cable is
used. For dual-port 10 GB networking devices, both SFP ports should have the same media (for
example, DAC cable or equivalent SFP+ module). Mixing different types of SFP (SR/LR) on a single
device is not supported.
Be sure the network cable is working by replacing it with a known functional cable.
Be sure a software issue has not caused the failure. For more information, see the operating system
documentation.
Be sure the server and operating system support the controller.
Be sure the controller is enabled in BIOS.
Be sure the BIOS 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.
4-4-4
Network controller or OCP LAN card has stopped working
Symptom
The network controller or OCP LAN card stopped working.
