IBM 9228 Service Guide - Page 136

The USB mouse or USB

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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 3, "Parts listing, Type 9228 and 9232," on page 19 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 The USB mouse or USB pointing device does not work. 1. Make sure that: v The mouse is compatible with the computer. See http://www.ibm.com/ servers/eserver/serverproven/compat/us/iserver.html/. v The mouse or pointing-device USB cable is securely connected to the computer. v The mouse or pointing device drivers are installed correctly. v Keyboardless operation has been 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 computer. 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Mouse or pointing device b. (Trained service technician only) System board A USB device does not work. 1. Make sure that: v The correct USB device driver is installed. v The operating system supports USB devices. v A standard PS/2 keyboard or mouse is not connected to the computer. If it is, a USB keyboard or mouse will not work during POST. 2. Make sure that the USB configuration options are set correctly in the Configuration/Setup Utility program menu (see the User's Guide for more information). 3. If you are using a USB hub, disconnect the USB device from the hub and connect it directly to the computer. A message such as Power This message indicates that a safety feature has been enabled in the computer to surge on Port USB or A USB protect it from damage when a USB device draws too much power. Contact the device has exceeded the manufacturer of the USB device to see whether a hardware upgrade or fix is limits of its hub port is available for the USB device. displayed on Windows operating systems. 118 IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide

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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 3, “Parts listing, Type 9228 and 9232,” on page 19 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
The USB mouse or USB
pointing device does not work.
1.
Make sure that:
v
The mouse is compatible with the computer. See http://www.ibm.com/
servers/eserver/serverproven/compat/us/iserver.html/.
v
The mouse or pointing-device USB cable is securely connected to the
computer.
v
The mouse or pointing device drivers are installed correctly.
v
Keyboardless operation has been 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 computer.
3.
Replace the following components one at a time, in the order shown, restarting
the computer each time:
a.
Mouse or pointing device
b.
(Trained service technician only) System board
A USB device does not work.
1.
Make sure that:
v
The correct USB device driver is installed.
v
The operating system supports USB devices.
v
A standard PS/2 keyboard or mouse is not connected to the computer. If it
is, a USB keyboard or mouse will not work during POST.
2.
Make sure that the USB configuration options are set correctly in the
Configuration/Setup Utility program menu (see the
User’s Guide
for more
information).
3.
If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the computer.
A message such as
Power
surge on Port USB
or
A USB
device has exceeded the
limits of its hub port
is
displayed on Windows operating
systems.
This message indicates that a safety feature has been enabled in the computer to
protect it from damage when a USB device draws too much power. Contact the
manufacturer of the USB device to see whether a hardware upgrade or fix is
available for the USB device.
118
IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide