Front ports Internal port Rear ports Replace
x
√
/ Front I/O module
/
x
√
USB I/O board
x x x
System I/O board
•
“All or some keys on the keyboard do not work” on page 335
• “Mouse does not work” on page 335
• “USB-device (including hypervisor OS installation USB device) does not work” on page 336
All or some keys on the keyboard do not work
1. Make sure that:
• The keyboard cable is securely connected.
• The server and the monitor are turned on.
2. If you are using a USB keyboard and it is connected to a USB hub, disconnect the keyboard from the
hub and connect it directly to the server.
3. Replace the keyboard.
4. If the methods above do not work, plug the USB keyboard to the front, internal or rear USB port(s).
• If the USB keyboard does not work plugging to front USB ports but works plugging to the internal
port, replace the front IO module. Refer to
Internal Cable Routing Guide for more cable routing
information.
• If the USB keyboard does not work plugging to the internal USB port but works plugging to the rear
ports, replace the USB I/O board. Refer to
“USB I/O board replacement” on page 285 for more
information.
• If the USB keyboard does not work plugging to front, internal or rear USB port(s), replace the system
I/O board. Refer to
“System I/O board replacement (trained technicians only)” on page 268 for more
information.
Mouse does not work
1. Make sure that:
• The mouse cable is securely connected to the server.
• The mouse device drivers are installed correctly.
• The server and the monitor are turned on.
• The mouse option is enabled in the Setup Utility.
2. If you are using a USB mouse and it is connected to a USB hub, disconnect the mouse from the hub and
connect it directly to the server.
3. Replace the mouse.
4. If the methods above do not work, plug the USB mouse to the front, internal or rear USB port(s).
• If the USB mouse does not work plugging to front USB ports but works plugging to the internal port,
replace the front IO module. Refer to
Internal Cable Routing Guide for more cable routing
information.
• If the USB mouse does not work plugging to the internal USB port but works plugging to the rear
ports, replace the USB I/O board. Refer to
“USB I/O board replacement” on page 285 for more
information.
Chapter 7. Problem determination 335
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