IBM 8840 Installation Guide - Page 70

General, problems, drive, Intermittent, Keyboard, mouse, pointing-device

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General problems Symptom A cover lock is broken, an LED is not working, or a similar problem has occurred. Suggested action Call for service. Hard disk drive problems Symptom Suggested action Not all drives are recognized by 1. Remove the first drive that is not recognized and try the hard disk drive the hard disk drive diagnostic diagnostic test again. test (the Fixed Disk test). 2. If the remaining drives are recognized, replace the drive that you removed with a new one. The server stops responding during the hard disk drive diagnostic test. 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. Intermittent problems Symptom A problem occurs only occasionally and is difficult to diagnose. 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. 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. 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. 56 IBM xSeries 346 Type 8840: Installation Guide

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General
problems
Symptom
Suggested
action
A
cover
lock
is
broken,
an
LED
is
not
working,
or
a
similar
problem
has
occurred.
Call
for
service.
Hard
disk
drive
problems
Symptom
Suggested
action
Not
all
drives
are
recognized
by
the
hard
disk
drive
diagnostic
test
(the
Fixed
Disk
test).
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.
The
server
stops
responding
during
the
hard
disk
drive
diagnostic
test.
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.
Intermittent
problems
Symptom
Suggested
action
A
problem
occurs
only
occasionally
and
is
difficult
to
diagnose.
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.
Keyboard,
mouse,
or
pointing-device
problems
Symptom
Suggested
action
All
or
some
keys
on
the
keyboard
do
not
work.
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.
The
mouse
or
pointing
device
does
not
work.
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.
56
IBM
xSeries
346
Type
8840:
Installation
Guide