IBM x3250 M2 Problem Determination And Service Manual page 136

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, Types 4190, 4191 and 4194 server," on page 31 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
The USB mouse or USB
pointing device does not work.
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IBM System x3250 M2 Types 4190, 4191 and 4194: Problem Determination and Service Guide
Action
1. Make sure that:
v The mouse is compatible with the server. See http://www.ibm.com/servers/
eserver/serverproven/compat/us/.
v The mouse or pointing-device USB cable is securely connected to the
server, and the device drivers are installed correctly.
v The server and the monitor are turned on.
2. If a USB hub is in use, disconnect the USB device from the hub and connect it
directly to the server.
3. Move the mouse or pointing device cable to another USB connector.
4. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Mouse or pointing device
b. (Only if the problem occurred with a front USB connector) Internal cables to
the operation information panel
c. (Only if the problem occurred with a front USB connector) Operator
information panel
d. (Trained service technician only) System board