IBM 9228 - IntelliStation Z - Pro, Installation Manual

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Intermittent 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
A problem occurs only
occasionally and is difficult to
detect.
Make sure that:
v
All cables and cords are connected securely to the rear of the computer and
attached options.
v
When the computer is turned on, air is flowing from the front of the computer at
the fan grille. If there is no airflow, the fan is not working. This can cause the
computer to overheat and shut down.
v Make sure that the SAS bus and devices are configured correctly and that the
last external device in each SAS chain is terminated correctly.
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),” 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 to the
computer, and that the keyboard and mouse cables
are not reversed.
v
The computer and monitor are turned on.
2. Replace the following components one at a time, in
the order shown, restarting the computer each time:
v
Keyboard
v
(Trained service technician) System board
The mouse or pointing device does not work.
1. Make sure that:
v The mouse or pointing-device cable is securely
connected and that the keyboard and mouse
cables are not reversed.
v The mouse or pointing device drivers are installed
correctly.
2. 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
Chapter 5. Solving problems
41