Monitor
symptom
Suggested
action
The
screen
is
wavy,
unreadable,
rolling,
distorted,
or
has
screen
jitter.
If
the
monitor
self-tests
show
the
monitor
is
working
properly,
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.
(Moving
a
color
monitor
while
it
is
turned
on
might
cause
screen
discoloration.)
Then
move
the
device
and
the
monitor
at
least
305
mm
(12
in.)
apart.
Turn
on
the
monitor.
Notes:
1.
To
prevent
diskette
drive
read/write
errors,
be
sure
the
distance
between
monitors
and
diskette
drives
is
at
least
76
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
reseller
or
IBM
marketing
representative.
If
the
problem
remains,
call
for
service.
Wrong
characters
appear
on
the
screen.
If
the
wrong
language
is
displayed,
update
the
BIOS
code
with
the
correct
language.
If
the
problem
remains,
call
for
service.
No
video.
1.
Make
sure
the
correct
machine
is
selected,
if
applicable.
2.
Make
sure
all
cables
are
locked
down.
If
the
problem
remains,
call
for
service.
Power
problems
Power
symptom
Suggested
action
The
computer
does
not
turn
on.
Verify
that:
v
The
power
cords
are
properly
connected
to
the
computer.
v
The
electrical
outlet
functions
properly.
v
The
type
of
memory
installed
is
correct.
v
If
you
just
installed
an
option,
remove
it,
and
restart
the
computer.
If
the
computer
now
turns
on,
you
might
have
installed
more
options
than
the
power
supply
supports.
If
the
problem
remains,
call
for
service.
56
IBM
IntelliStation
Z
Pro
Type
6221:
Installation
Guide
Содержание IntelliStation Z Pro 6221
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