Symptom
Suggested
action
The
monitor
works
when
you
turn
on
the
server,
but
the
screen
goes
blank
when
you
start
some
application
programs.
Make
sure
that
you
have
installed
the
necessary
device
drivers
for
the
application
programs.
If
the
problem
remains,
call
for
service.
The
monitor
has
screen
jitter,
or
the
screen
image
is
wavy,
unreadable,
rolling,
or
distorted.
If
the
monitor
self-tests
show
that
the
monitor
is
working
correctly,
consider
the
location
of
the
monitor.
Magnetic
fields
around
other
devices
(such
as
transformers,
appliances,
fluorescent
lights,
and
other
monitors)
can
cause
screen
jitter
or
wavy,
unreadable,
rolling,
or
distorted
screen
images.
If
this
happens,
turn
off
the
monitor.
Attention:
Moving
a
color
monitor
while
it
is
turned
on
might
cause
screen
discoloration.
Move
the
device
and
the
monitor
at
least
300
mm
(12
in.)
apart,
and
turn
on
the
monitor.
Notes:
1.
To
prevent
diskette
drive
read/write
errors,
make
sure
that
the
distance
between
the
monitor
and
diskette
drives
is
at
least
75
mm
(3
in.).
2.
Non-IBM
monitor
cables
might
cause
unpredictable
problems.
3.
An
enhanced
monitor
cable
with
additional
shielding
is
available
for
the
9521
and
9527
monitors.
For
information
about
the
enhanced
monitor
cable,
contact
your
IBM
marketing
representative
or
authorized
reseller.
If
the
problem
remains,
call
for
service.
Option
problems
Symptom
Suggested
action
An
IBM
option
that
was
just
installed
does
not
work.
Make
sure
that:
v
The
option
is
designed
for
the
server.
See
the
“Server
Support”
flowchart
for
information
about
obtaining
ServerProven
compatibility
information
from
the
World
Wide
Web.
v
You
followed
the
installation
instructions
that
come
with
the
option.
v
The
option
is
installed
correctly.
v
You
have
not
loosened
any
other
installed
options
or
cables.
v
You
have
updated
the
configuration
information
in
the
Configuration/Setup
Utility
program.
Whenever
memory
or
an
option
is
changed,
you
must
update
the
configuration.
If
the
problem
remains,
call
for
service.
An
IBM
option
that
used
to
work
does
not
work
now.
v
Make
sure
that
all
of
the
option
hardware
and
cable
connections
are
secure.
v
If
the
option
comes
with
test
instructions,
use
those
instructions
to
test
the
option.
v
If
the
failing
option
is
a
SCSI
device,
make
sure
that:
–
The
cables
for
all
external
SCSI
options
are
connected
correctly.
–
The
last
device
in
each
SCSI
chain,
or
the
end
of
the
SCSI
cable,
is
terminated
correctly.
–
Any
external
SCSI
devices
are
turned
on.
You
must
turn
on
external
SCSI
devices
before
turning
on
the
server.
If
the
problem
remains,
call
for
service.
58
IBM
xSeries
346
Type
8840:
Installation
Guide
Summary of Contents for 8840 - eServer xSeries 346
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