Keyboard, mouse, or pointing-device problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
All or some keys on the
keyboard do not work.
1. Make sure that:
v The keyboard cable is securely connected.
v If you are using a PS/2 keyboard, the keyboard and mouse cables are not
reversed.
v The server and the monitor are turned on.
2.
If you have installed a USB keyboard, run the Configuration/Setup Utility
program and enable keyboardless operation to prevent the POST error
message 301 from being displayed during startup.
3. If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the server.
4. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Keyboard
b. (Trained service technician only) System board
The mouse or pointing device
does not work.
1. Make sure that:
v The mouse or pointing-device cable is securely connected to the server.
v If you are using a PS/2 device, the keyboard and mouse or pointing-device
cables are not reversed.
v The mouse or pointing-device drivers are installed correctly.
v The server and the monitor are turned on.
v The keyboardless operation and mouse options are enabled in the
Configuration/Setup Utility program.
2.
If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the server.
3. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Mouse or pointing device
b. (Trained service technician only) System board
Chapter 5. Solving problems 83
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