IBM System x3550 M3 Type 4254 Problem Determination And Service Guide

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 Chapter 4, “Parts listing, System x3550 M3 Types 4254 and 7944,” on page 159 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.
v Go to the IBM support Web site at http://www.ibm.com/systems/support/ to check for technical
information, hints, tips, and new device drivers or to submit a request for information.
Symptom Action
All or some keys on the
keyboard do not work.
1. Make sure that:
v The keyboard cable is securely connected.
v The server and the monitor are turned on.
2. If you are using a USB keyboard, run the Setup utility and enable keyboardless
operation.
3. 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.
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 pointing device, the keyboard and mouse or
pointing-device cables are not reversed.
v The mouse or pointing-device device drivers are installed correctly.
v The server and the monitor are turned on.
v The mouse option is enabled in the Setup utility.
2. If you are using a USB mouse or pointing device and it is connected to a USB
hub, disconnect the mouse or pointing 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 3. Diagnostics 89

IBM System x3550 M3 Type 4254 Specifications

General

Brand	IBM
Model	System x3550 M3 Type 4254
Category	Server
Language	English