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Hard disk drive problems
Symptom
Not all drives are recognized by
the hard disk drive diagnostic
test (the Fixed Disk test).
The server stops responding
during the hard disk drive
diagnostic test.
Intermittent problems
Symptom
A problem occurs only
occasionally and is difficult to
diagnose.
Keyboard, mouse, or pointing-device problems
Symptom
All or some keys on the
keyboard do not work.
The mouse or pointing device
does not work.
60
IBM xSeries 336 Type 8837: Installation Guide
Suggested action
1. Remove the first drive that is not recognized and try the hard disk drive
diagnostic test again.
2. If the remaining drives are recognized, replace the drive that you removed with
a new one.
1. Remove the hard disk drive that was being tested when the server stopped
responding and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive that
you removed with a new one.
Suggested action
Make sure that:
v All cables and cords are connected securely to the rear of the server and
attached devices.
v When the server is turned on, air is flowing from the rear of the server at the fan
grille. If there is no airflow, the fan is not working. This can cause the server to
overheat and shut down.
v The SCSI bus and devices are configured correctly and the last external device
in each SCSI chain is terminated correctly.
If the problem remains, call for service.
Suggested action
v Make sure that the keyboard cable is securely connected to the server and that
the keyboard and mouse cables are not reversed.
v Make sure that the server and the monitor are turned on.
v Try using another keyboard.
If the problem remains, call for service.
v Make sure that the mouse or pointing-device cable is securely connected to the
server and that the keyboard and mouse cables are not reversed.
v Make sure that the mouse device drivers are installed correctly.
v Make sure that the server and the monitor are turned on.
v Try using another mouse or pointing device.
If the problem remains, call for service.
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