IBM IntelliStation A Pro 6224, Hardware Maintenance Manual And Troubleshooting Manual

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Note: See Chapter 7, “Parts listing, Type 6224,” on page 107 to determine which components are replaceable by the
customer (CRU), and which components must be replaced by a field service technician (FRU).
Hard disk drive problems
Symptom FRU/action
System stops responding during
hard disk drive diagnostic test.
1. Remove the hard disk drive being tested when the computer stopped
responding and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive you
removed with a new one.
Note: See Chapter 7, “Parts listing, Type 6224,” on page 107 to determine which components are replaceable by the
customer (CRU), and which components must be replaced by a field service technician (FRU).
Intermittent problems
Symptom FRU/action
A problem occurs only
occasionally and is difficult to
detect.
1. Verify 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 rear of the computer
at the fan grill. If there is no airflow, the fan is not working. This causes the
computer to overheat and shut down.
v
Ensure that the SCSI bus and devices are configured correctly and that the
last external device in each SCSI chain is terminated correctly.
2. Check the system error log.
Note: See Chapter 7, “Parts listing, Type 6224,” on page 107 to determine which components are replaceable by the
customer (CRU), and which components must be replaced by a field service technician (FRU).
Keyboard, mouse, or pointing-device problems
Symptom FRU/action
All or some keys on the
keyboard do not work.
1. Verify that:
v
The keyboard cable is securely connected to the system, and the keyboard
and mouse cables are not reversed.
v
The computer and the monitor are turned on.
2. Keyboard.
3. System board.
The mouse or pointing device
does not work.
1. Verify that:
v
The mouse or pointing-device cable is securely connected, and that the
keyboard and mouse cables are not reversed.
v The mouse device drivers are installed correctly.
2. Mouse or pointing device.
3. System board.
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IntelliStation A Pro Type 6224: Hardware Maintenance Manual and Troubleshooting Guide