Keyboard, mouse, or pointing-device problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee 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).

vIf 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

1.

Make sure that:

keyboard do not work.

 

v The keyboard cable is securely connected.

 

 

 

 

v For PS/2 keyboards, 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 a USB hub is in use, 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

1.

Make sure that:

does not work.

 

v The mouse or pointing-device cable is securely connected to the server.

 

 

 

 

v For PS/2 devices, 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 a USB hub is in use, 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 67

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Image 81
IBM 8490, 8485 manual Keyboard, mouse, or pointing-device problems