Mouse and keyboard problems
- Be sure no loose connections
exist. If a KVM switching device is in use, be sure the server is
properly connected to the switch.
- For rack-mounted servers, check the cables
to the switch box and be sure the switch is correctly set for the
- 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 the proper length and are supported
by the switch. Refer to 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).
- If the problem still occurs with the new
mouse or keyboard, the connector port on the system I/O board is
defective. Replace the board.
- If the problem 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
- Be sure the keyboard or mouse is clean.