Troubleshooting
charts
You
can
use
the
troubleshooting
charts
in
this
section
to
find
solutions
to
problems
that
have
definite
symptoms.
Note:
The
symptoms
for
monitor,
keyboard,
and
mouse
apply
only
to
the
devices
connected
to
the
management
module;
they
do
not
apply
to
the
remote
console.
See
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
BladeCenter
T
Documentation
CD
for
more
detailed
information
about
testing
the
BladeCenter
T
unit.
If
you
have
run
the
diagnostic
test
programs
or
if
running
the
tests
does
not
reveal
the
problem,
call
for
service.
Attention:
If
diagnostic
error
messages
appear
that
are
not
listed
in
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
,
make
sure
that
your
BladeCenter
T
unit
has
the
latest
level
of
firmware
code
installed.
If
you
have
just
added
a
new
option
and
your
system
is
not
working,
complete
the
following
procedure
before
using
the
troubleshooting
charts:
1.
Remove
the
option
that
you
just
added.
2.
Run
the
diagnostic
tests
to
determine
if
your
system
is
running
correctly.
3.
Reinstall
the
new
device.
Monitor
problems
Note:
The
monitor
screen
remains
blank
until
directed
to
a
blade
server
that
is
turned
on;
this
is
normal
behavior.
Some
IBM
monitors
have
their
own
self-tests.
If
you
suspect
a
problem
with
your
monitor,
see
the
information
that
comes
with
the
monitor
for
instructions
for
testing
and
adjusting
the
monitor.
If
you
cannot
diagnose
the
problem,
call
for
service.
Device
Suggested
action
The
monitor
screen
goes
blank
when
you
direct
it
to
a
working
blade
server
or
goes
blank
when
you
start
some
application
programs
in
the
blade
servers.
Make
sure
that
the
monitor
cable
is
connected
to
the
video
connector
on
the
BladeCenter
T
KVM
module
and
that
the
KVM
module
LEDs
indicate
that
the
module
is
functioning.
Some
IBM
monitors
have
their
own
self-tests.
If
you
suspect
a
problem
with
your
monitor,
see
the
information
that
comes
with
the
monitor
for
adjusting
and
testing
instructions.
If
you
cannot
diagnose
the
problem,
try
replacing
the
KVM
module.
If
the
problem
remains,
replace
the
monitor.
The
screen
is
blank.
Make
sure
that:
v
The
power
cords
are
properly
connected
to
the
BladeCenter
T
unit.
v
The
monitor
cables
are
connected
correctly.
v
The
monitor
is
turned
on
and
the
brightness
and
contrast
controls
are
adjusted
correctly.
v
The
monitor
is
owned
by
a
blade
server
that
is
turned
on.
If
the
problem
remains,
call
for
service.
Only
the
cursor
appears.
Try
switching
the
monitor
to
another
blade
server.
v
If
the
problem
goes
away,
troubleshoot
the
blade
sever
for
which
only
the
cursor
appears.
v
If
the
problem
remains,
call
for
service.
76
BladeCenter
T
Types
8720
and
8730:
Installation
and
User’s
Guide
Содержание BladeCenter T Type 8720
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