IBM IntelliStation M Pro 6218, Problem Determination And Service 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 Chapter 3, “Parts listing,” on page 65 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 SCSI bus and devices are configured correctly and that the
last external device in each SCSI chain is terminated correctly.
Keyboard, mouse, or pointing-device problems
For problems with a USB, mouse or pointing device, see “USB port problems” on
page 36.
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,” on page 65 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
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 the
keyboard and mouse cables are not reversed.
v
The computer and the monitor are turned on.
2. Replace the following components one at a time, in the order shown, restarting
the computer 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 and 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
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IBM IntelliStation M Pro Type 6218 and 9236: Problem Determination and Service Guide